International Journal of Innovation and Economic Development
Volume 9, Issue 3, August 2023, Pages 35-62
The Contributory Pension Scheme (Cps) and Sufficiency of Retirement Benefit of the Low Income Retirees of the Federal Public Service in Nigeria
DOI: 10.18775/ijied.1849-7551-7020.2015.93.2003
URL: https://doi.org/10.18775/ijied.1849-7551-7020.2015.93.2003
Omotayo Johncally Abere, Kudirat Adeola Banjo, Toyin Shafau SakaDepartment of Actuarial Science and Insurance, Lagos State University of Science & Technology,Nigeria
Abstract: This study examined the level of sufficient retirement benefit under the contributory pension scheme emanating from the pool of savings contributed that can suffice to provide the minimum needed livelihood. The secondary data of all pension contributions and retirement benefits were retrieved from series of publications of PenCom from the years 2004 to 2022. The primary data population consists of 1316 retirees. EasyFit 5.6 Professional Software together with the Least Square Model, accumulation and annuity formulae was employed to analyse the secondary data and the responses from the respondents during survey. Arising from the data collected and the analysis carried out using the Consolidated Public Service Salary Structure, the level of comfort of low income retirees who spent 20 to 35 years in active service is nothing to write home about due to insufficient pension benefits as a result of the challenges investigated. The study recommends the implementation of minimum pension derived with requisite modalities of 20 years as the minimum qualifying length of service and only 10-year post retirement subsidy.
Keywords: Contributory-pension-scheme, Low-income-retirees, Guaranteed-minimum-pension, Retirement-benefit
1. Introduction
For fairness, one who has contributed substantially to an organisation throughout the working life needs to be rewarded when there is no strength or capacity to continue working. One way to give such reward is through pension payment (Abere & Abiola, 2019). According to Amadi (2020), pension can be defined as a series of payments made regularly to a person or beneficiary of a person who is no longer working due to old age, disablement or other reasons. The Chilean government operated a defined benefit pension system which was replaced in 1981 with a defined contribution pension system that allows employees to fund the retirement benefits through the accumulated and mandatory savings. Most countries who were convinced by the sustainability of the Chilean-introduced pension system switched over to it. In this study, a contributory pension scheme is when both the federal government and the low income earners below level six contribute 18% of the earners’ monthly emoluments into the retirement savings account towards the future payment of the retirement benefits. The retirement benefits of low income retirees who worked for considerable number of years while in active service should be fairly sufficient to satisfy basic necessity of feeding, clothing and shelter in order to enjoy at least minimum level of comfort during retirement. Age, retirement savings account balance, final salary (total emolument), gender and pensioners’ retirement payment choices are various ways or factors influencing differences in the amount of pension payments received by various pensioners (Mojekwu & Adeyele, 2010). The standard of living of retirees after coming to the end of working life depends largely on the pension arrangement that has been put in place for them while in active service.
Different literatures have been able to examine different factors, determinants, variables, genders and welfare provisions relating to the introduction of the contributory pension scheme but the void of generalising discussions on the entire retirees without in-depth study on how the contributory plan affects the vulnerable low income retirees whose take-homes while in active service could barely satisfy their basic needs should to be addressed. Despite many amendments, adjustments and reforms in pension system, pension administration in Nigeria seems to face huge challenges. The contributory pension method adopted to remove tedious issues and problems of pension benefit payment appears not to have been generous to low income retirees. Most retirees made contributions for more than half of their entire lifetime when in active service but are disappointed with the retirement packages received. Section 84(1) of the Pension Reform Act 2014 states that retirees shall be entitled to a guaranteed minimum pension to be specified by the Commission from time to time. Up till now, for about two decades since it was first stated in Part VIII (Section 71(1)) of the Pension Reformed Act 2004, PenCom has not yet finalised financial implication and other modalities constituting requisite guidelines and framework for the successful implementation of the minimum pension that can guarantee fair standard of living during retirement. With the current state of economy where those who are actively working and earning salaries cannot comfortably enjoy good standard of living, the fear of facing unknowns after retirement brings a lot of disturbances among low income employees on what becomes their fate if the accumulated savings cannot guarantee the minimum standard of living in the country. The study aims to examine the contributory pension scheme and investigates the retirement benefit sufficiency of low income retirees of the federal public service. The specific objectives are to:
- investigate the level of comfort enjoyed by low income retirees.
- develop the expected average amount of the Guaranteed Minimum Pension (GMP)
- estimate the pension contributions sufficient to provide GMP that can cater for basic necessities.
The required retirees for the study are those low income retirees who joined the federal public service and retired not earlier than the year 2020 in order to have timely circumstances of the issues and solutions in the course of the study. The major limitation envisaged was the tedious process of data gathering.
The study majorly examined the financial implications constituting requisite framework for the successful implementation of GMP by investigating whether the pool of savings contributed by low income employees of the federal public service can suffice to provide the minimum needed livelihood at retirement. The outcome of the study is of great importance to pension stakeholders, the PFAs/PFCs, the pension regulatory authority, the financial institutions, insurance companies and the FGN (Presidency) for policy formulation, law amendment, capacity building and institutional strengthening.
2. Literature Review
2.1 Theories
2.1.1 The Deferred Wage Theory
Capele, Malaski and March (1980) viewed pension plan put in place for employees as a method to shift some compensations accruable to employees to when such employees retire from active service of the employer. The theory model possesses many actuarial implications in term of actuarial principles.
2.1.2 The Expectancy Theory
Victor Vroom (1964) believed that certain behaviour results from a particular choice made among other options whose purposes are to minimise pain or maximise gain. Applying the theory to this study, employees will put greater effort to achieve higher productivity if a strong relationship is seen between active performance and positive reward in the retirement benefits/package.
2.1.3 Theory of Pension Funding and Policy
Jon C. Exley worked on this theory in the year 1999 to balance between the Expectancy Theory and the Deferred Wage Theory. Pension here serves as an insurance policy against retirement age risk.
2.1.4 Theory of Life Cycle Hypothesis (LCH)
The Life Cycle Hypothesis (LCH) which was worked on by Franco Modigliani in the year 1985 relates consumptions to lifetime wealth at disposal. The retirees have already accomplished a larger percentage of their achievable life goals and are aware that income is not directly coming from active service.
2.2 Conceptual Review
Figure 1: Research framework
Generally, an employee in the public service retires at the age of sixty years or having spent thirty-five years in service, whichever one comes earlier. The series of (18%) contributions made represent the independent variable while the pension benefit (RLA or PW) received represent the dependent variable.
Table 1: Difference between programmed withdrawal and retiree life annuity pension payment options
Programmed Withdrawal | Retiree Life Annuity |
Product offered by PFAs and regulated by PenCom. | Product offered by life insurance company and jointly regulated by NAICOM and PenCom |
Expected life span of a retiree is determined by the new A(55) Table of Annuitant Ultimate Rates published by the Institute and Faculty of Actuaries, United Kingdom | Expected lifetime of a retiree is determined by the new A(90) Table of Annuitant Ultimate Rates published by the Institute and Faculty of Actuaries, United Kingdom |
Both PFA and the retiree share the risks | Longevity risks are transferred to life office |
The contribution balance stays in RSA | The contribution balance is used as premium to purchase RLA |
Payments of pension are limited to the retiree’s expected lifespan | Payments of pension are for life till death of the retiree |
After guaranteed pension payment period, balance in the RSA is paid to the legal beneficiary upon the untimely death of the retiree | After guaranteed pension payment period, nothing is paid to the beneficiary upon the untimely death of the retiree |
2.3 Empirical Review
Empirical studies of the contributory pension scheme have generated large literature in the last two decades in Nigeria upon the enactment of PRA in the year 2004. According to Onukwu (2020), pension system began to gain attention after 1960 as Nigeria gained independence. As studied by Onukwu (2020), the problem of defined benefit scheme became more serious due to upward review of salaries because an increase in the salaries of employees ultimately led to increase of employees’ accrued retirement benefits.
When the contributory pension scheme was introduced in the year 2004, some employees (with maximum of three years to retire) were allowed to go with the old pension system. Casey (2009) stated that the government bonds were purchased for those who had more than three years to retire when the new scheme was introduced. The value of the bond was equivalent to the tune of accrued benefits under the old scheme and shall be redeemable upon retirement. Pension issue is very worrisome to active workers in Nigeria because most pension beneficiaries are not the actual contributors. Most workers die before or shortly after their retirement from active service since the normal and general retirement age in Nigeria is sixty years and the life expectancy in Nigeria moved from 55.44 years to 55.75 years in the year 2022 (Rewane, 2023). According to Rewane (2023), most people who live longer than the expected life expectancy die between ages sixty and seventy. As the life expectancy improves, the size of the retiree population also increases and the number of years spent in retirement increases in like manner. A study on the sufficiency of retirement benefits is of utmost important due to rapid increase in ageing population in the developing countries especially Nigeria.
The cases of embezzlement or misappropriation of pension funds have become source of worry and demoralised prospective pensioners in term of their welfare in retirement (Ojiabor & Onogu, 2012). Often due to decreasing pensions investments in a private pension need to be considered (Daus et al., 2020). The uncertainty of what to expect during retirement by some low income retirees can cause bureaucratic fraud/crime, low morale/commitment and falsification of age in order to gather enough wealth while in active service (Agba, 2008). The fear has raised some questions that query the capacity of the contributory pension plan to achieve the objective of ensuring that individuals save to cater for their livelihood at old age (African Examiner, 2012). The Pension Reform Act enacted, to some extent, has helped to solve the problems of inefficient/weak administration of pension system and unsustainable increase in the cost of paying pension benefits (Odia & Okoye, 2012). Most employees in active service find it very difficult to save for their future due to some circumstances such as the responsibilities of the extended family members, lack of social welfare provision for the elderly, amplified propensity for consumption, inflation in the general price level, poor salaries/wages and so on (Aibieyi & Oyemwinmina, 2016). The changes in pension reform have made pension system in Nigeria simple, financially sustainable, less cumbersome to operate, transparent, cost effective and serve as a vehicle for achieving a saving culture among the low income earners (Iwelumo, 2016). The pension managers need to be prepared for unknown and unpredictable forces emanating from regulatory changes and direct the pension resources quickly to operate in a goal-directed manner (Baker, Logue & Rader, 2005). Elekwa, Okoh and Ugu (2011) studied the implication of pension reform on social security planning and came to conclusion that the current pension scheme has significantly improved social security planning for retirees and their family. Pension income received has brought economic security and replaced the income loss due to retirement. Critically, the study never looked into the sufficiency of the retirement benefits given to the low income retirees.
One would expect that more than fifty percent of Nigerian workers would be enrolled in the CPS since the pension scheme was made compulsory for both the public and the private sector workers upon enactment. The National Bureau of Statistics, in the Fourth Quarter Report of the year 2016, affirmed that seven million three hundred and forty-eight thousand and twenty-eight employees out of the total working population of sixty-nine million four hundred and seventy thousand and ninety-one employees were enrolled in the scheme according to the number of number of RSAs opened (NBS, 2017). Many workers in Nigeria are involved in informal sector such as trading, transportation business, small scale farming and other forms of micro businesses. Majority of Nigerian workers are not covered by pension scheme and are exposed to social insecurity during old ages. Musibau (2012) recommended that the coverage and the scope of the scheme should be reviewed to mandatorily include informal sector and micro businesses as a result of low number of contributors. The provision and existence of micro pension in Nigeria has been able to address the recommendation of Musibau (2012). The wide gap of workers not covered by the scheme cannot be attributed alone to more distribution of workers in the informal sector but the role of the pension regulatory authorities in ensuring compliance as spelt out by the Act. According to Odo, Orga and Ozoemenam (2019), most private organisations do not enrol employees in any pension plan due to the remittance of their own part of the pension contributions to the employees’ RSAs. The Commission seems to feign ignorance to the allegation by waiting for employees’ complaints against the employers in respect of non-compliance instead of PenCom to perform the role of watchdog on compliance gaps by all involved.
Although there has been remarkable success upon the introduction of the CPS in the year 2004 as perceived by some researchers but various myriads of problems and competing forces that plague the old scheme in the public sector and other varying types of existed private pension schemes seem to have been sighted by making the Act redundant in living up to the objective of universal and uniform pension coverage for all employees because of the exclusion of some public office holders from the scheme (Abdulazeez, 2015). The exclusion or preferential treatment of some workers is navigating the future of pension industry to an unknown destination (Abayomi, 2022). In case an employer (whether government or not) covered under the Act fails to remit the employees’ pension contributions, PenCom should mandate such employer to make the due remittance along with the penalty addition of two percent of unpaid contributions into the RSA of the affected employees (Unini, 2022). The question to ask is how the regulatory authority, PenCom, can mandate the Nigerian government to comply with the law in a country that operates like the Old Roman Empire where the Emperor was not only considered as the only most powerful ruler but also considered as the Head of the Empire Supreme Legal Authority making, enforcing and interpreting the law at the same time. The way forward as recommended in Unini (2022) is to have strengthened labour/trade unions to hold government accountable to fulfil responsibilities to employees through effective, specific, timely, attainable and realistic means that will yield result. The best time to demonstrate these means is during election period when government pretends to be good to people by listening to their requests and effecting changes immediately.
A study that deals with pension sufficiency is utmost important due to high old age poverty in developing countries of which Nigeria is not exempted. According to Izuaka (2022), there has been an increase in the number of elderly people living in poverty as the World Bank estimated the number of impoverished old persons in Nigeria in the year 2022. Poverty level and dependency on working population by the retirees would be at the barest minimum if pension benefits allow the elderly enjoy fair standard of living. Retirement in Nigeria poses a serious financial challenge because larger percentage of retirees are still the breadwinners of the family due to shorter normal retirement age of sixty years compared to many nations across the globe. According to Beedie (2015), pension income in Nigeria is insufficient for female retirees to cater for the basic needs due to shorter service years as a result of gender-based responsibility demands. In this study, the pension income inadequacy relates to the extent the pension income cannot help individual retirees fulfil the three basic needs of feeding, shelter and clothing.
According to Agbata, Ekwueme and Jeroh (2017), the issue of corruption being a militating factor against pension administration did not just start in Nigeria as it contributed to delay in pension payment in the old pension scheme. Bahago, Ogunlela and faruk (2010) studied the extent some pension problems witnessed in the past have been improved. Untimely payments of retirement benefits, the problem of heterogeneity and continuity in the administration of pension assets or funds were the major problems observed. Using multiple instruments for data collection and subjecting the data collected to a non-parametric analytical test, the study revealed that there was absence of retiree discrimination but maintained that delay still occurred in pension payment. However, the study failed to explain further on the stages of retirement cycle that delay problem was decreasing, constant or improving. Musibau (2012) in his study on the impact of the contributory pension on retiree savings using Oyo State public service employees as a case study, suggested that retirement benefits should be like a reward for retirees by the government without the need for employees’ contributions. The study pointed out that there existed no significant relationship between savings and contributory pension scheme. It clearly appears that Musibau’s study turned a blind eye to many problems faced when retirement benefit payment was wholly on the government shoulder.
Gunu and Tsado (2012) studied the economic implication of the contributory pension scheme in Nigeria. Descriptive statistics, simple percentages and chi-square were employed to analyse the questionnaires administered to pension managers, current contributors and retirees. The authors concluded that the contributory pension scheme has boosted economic growth in Nigeria through significant and positive implication on the lives of the participants and the impact on capital market. Strict monitoring of pension managers and increased awareness to achieve success of the programme more than what is being achieved at the moment were further recommended. Ojiya, Ajie and Isiwu (2017) re-examined the belief and carried out an empirical analysis using the Granger Casuality Test and econometric tool of SPSS to assess the impact of contributory pension system on the Nigerian economic growth. Using data from the World Bank database and various issues of PenCom annual reports, the study concluded that pension funds or savings have positive but insignificant impact on economic growth. The conclusion of the study indicates that pension funds have not been judiciously used to boost economic growth in Nigeria due to safety and investment restrictions by the regulatory authorities.
Chizueze, Nwosu and Agba (2011) worked on the commitment of civil service workers and their attitudes towards contributory pension scheme. As concluded in the study, the contributory pension scheme significantly and positively affects employees’ attitude towards retirement as workers are more confident and relaxed in the scheme than the old defined benefit plan. As observed in the study, using the opinions of the active workers currently engaged to come to a study conclusion on the sustainability and capital adequacy of pension plan is absolutely misleading. The regular salaries with other financial sources or resources at the disposal of the current employees may mislead/misinform them on the operations of pension plan during retirement. In addition to knowing how confident the employees in active service are, the confidence level of the actual retirees of the scheme needs to be investigated. Olanrewaju (2011) examined the welfare of retirees and the Pension Reform Act (PRA) using Marxian Theory to analyse the collected descriptive data in structured questionnaires given to some selected retirees in Nigeria. Olanrewaju (2011) concluded that organised private sector retirees enjoy retirement benefits than their counterparts in the public sector owing to the fact that the government delays releasing or remitting contributions on behalf of the employees. The delay deprives a lot of retirees in assessing the retirement benefits as and when due upon retiring from the active service.
Although the PRA 2014 grants an employee access to the saved fund if such employee loses job and cannot find another one within four months but what about if an employer refuses to pay salary for several months due to circumstances beyond the control of such employer? For instance, during the corona pandemic time that shook the whole world in the year 2020 (Waiganjo et. al, 2021). Overal pandemic had a detrimental impact on wellbeing of citizens (An et al., 2023; Guberina et al., 2023). Abere and Ojikutu (2021) affirmed that the pandemic impacted severely and worsened the living condition of the poor and vulnerable workers in Nigeria. Various palliative measures offered by the government and other concerned citizens could not cushion the adverse impact of the pandemic. Abere and Ojikutu (2021) recommended that the government should leverage on the pension funds to tackle poverty among workers during the pandemic era or any other disaster.
Determinants of any financial decision in an organisation are risk and return which are directly related. The optimal investment of pension funds contain different complexities while trying to secure returns that must be paid back to retirees (Abere & Abiola, 2019). According to Abere and Abiola (2019), the investment of pension funds must be done carefully in order not to lose the invested capital. Kurfi (2003) explained that investment of pension funds faces two major risks: financial market and background risks. The first one is the risk associated with exchange rate and asset price while background risks involve external financial risks such as inflation and the risk associated with the income streams. Longevity risk occurs when the retirees outlive their asset value. One of the main problems affecting the contributory pension scheme in Nigeria is the compositions of investment outlets/windows to ensure safety of pension funds (Banwo & Ighodalo, 2015). Due to safety or security of the pension fund investment, there is inadequacy in the accumulated pool of pension assets/funds (Abere & Abiola, 2019).
Aja (2015) carried out a study on contributory pension plan to see if the scheme introduction has resolved the delay witnessed by retirees on the monthly pension payments. Survey research design was used and the opinions of retirees in seven federal establishments in Nigeria between years 2008 to 2014 were randomly sampled using questionnaire and interview methods of data collection. As noted from the opinions of the study, the delay witnessed still exists due to the manual approval process required in accessing retirement benefits. Aja (2015) recommended that PenCom should use appropriate software system to automate the approval process to greatly speed up the process and eliminate the administrative bottleneck emanating from multiple hardware or paper work which passes from one desk to another before final approval.
In the year 2020, Adegboyega (2021) observed that sixty-three percent of registered employees in the CPS were male while thirty-seven percent were female which shows there are more male workers than female workers. Although the female gender has higher life expectancy as observed by Rewane (2023) but are also disadvantaged due to their shorter working life experienced as a result of family and childbirth responsibilities. The family responsibilities ascribed to female interrupt incomes and work tenure which cause vulnerability in term of comparable occupations with the male gender (Beedie, 2015). According to Mojekwu and Adeyele (2010), female mortality is higher than male mortality after retiring from active service. On the contrary, Onifade (2021) stated that women are only more disadvantaged when purchasing retiree life annuity product because more premium is expected than the male counterparts in procuring RLA due to the female higher life expectancy. The 2004 PRA was discovered, after a few years of implementation, to be insufficient in terms of some experiences and occurrences arising from some aspects of the provision of the Act (Ubhenin, 2012). The insufficiencies and inadequacies gave rise to the subsequent amendment and review in 2014. In other words, the incapability of the year 2004 PRA to meet the needs of pensioners led to the amendment in the year 2014. The 2014 PRA (Amendment) now serves as the principal and current law on pension and pension related matters in Nigeria.
GMP is an income support from the government and a social security policy variant which entails resource redistribution to the retirees (Apere, 2017). The funding of GMP is not only borne by the government. The Pension Protection Fund (PPF) is jointly funded by the Federal Government, the National Pension Commission and pension administrators/operators. Aside from the government contribution of one percent of the employee wage bill, the pension operators also contribute three percent Annual Pension Protection Levy (APPL) from the management fees earned. According to Popoola (2021), FGN failed to pay its own share of the contributions into the PPF after the PFAs have been contributing their own quota of the contributions. One can deduce that the failure of the government to play its part in PPF funding has stalled the implementation of the GMP. The outstanding government pension liabilities with the appetite to take additional loan could continue to prevent ability to implement GMP. As disclosed in the year 2017 by the Chairman of Pension Fund Operators Association of Nigeria, pension managers proposed a minimum monthly pension of fourteen thousand and four hundred naira to each retiree who collects less than that amount in the CPS (Longe, 2017). Judging by the economic role of inflation and the situation of things in Nigeria now, such amount is ridiculous to be paid as pension for a retiree who has put in considerable number of years into quality service.
Ibiwoye and Adesona (2011) expressed concern that the issue of GMP is only expressed in paper as government has not really shown appropriate commitment. The government made provision for the funding of GMP and other pension benefit shortfall upon enactment of PRA as against the claim of Ibiwoye and Adesona (2011) in their study. The only issue militating the provision made by the government is the commitment to the provision. Nwoji (2023) noted that the delay in GMP has led PenCom to make provision for enhanced pension for retirees under programmed withdrawal (PW) option. The provision excludes retirees who are using annuity as the pension retirement option. The enhanced pension for PW retirees cushions the effect of GMP non-implementation. According to Pension Nigeria (2023), PenCom paid out pension enhancement for retirees in December 2020, February 2022 and February 2023. In the draft regulation, a pensioner that is eligible for GMP shall not benefit from enbloc withdrawal (Pension Nigeria, 2023). As stated by Pension Nigeria (2023), enbloc withdrawal is paid to those pensioners (on PW benefit payment option) whose balance in the RSA cannot provide at least monthly pension of one-third of the minimum wage. Enhancing pension benefits for only retirees on PW option while neglecting retirees on annuity option has considerably raised concerns by affected retirees and stakeholders despite the good intentions and aspiration of the initiative regulation (Apere, 2023). According to PenCom (2020), if a pensioner has a balance of not more than five hundred and fifty thousand naira in the RSA upon retirement, such retiree will be allowed to withdraw the entire amount as a lump sum but if the RSA balance is more than this amount, the retiree will be placed on monthly pension. A lump sum withdrawal of maximum of twenty-five percent by retirees upon retirement will only be allowed and possible provided that the remaining balance is sufficient to procure programmed withdrawal or annuity payment of an amount of not less than fifty percent of the pensioners’ monthly emolument prior to the time or month of their retirement (PenCom, 2020).
In a defined contribution system of pension, individual retiree receives what the accumulated savings can purchase at retirement. The side effect of the system is that the benefit purchased by low income retirees may be too low to sustain the retirees due to time value of money and the volume of their remuneration while in active service. The government is expected to subsidise pension benefit by setting a minimum guaranteed amount of pension when the available balance in the retirement savings account of a prospective low income retiree cannot guarantee minimum standard of living (Ford & Browning, 2016). The funding of the Guaranteed Minimum Pension is provided for in Section 82 of the year 2014 PRA. A pension reform faces a lot of political oppositions in Nigeria which result to delay and higher adjustment cost (Agba, 2008). Sometimes, the pension benefits may not suit the major party (retirees) involved as a result of insufficiency or inability of retirees to meet the financial obligations due to inadequate capital or contributions made while in active service (Sogunro, Ayorinde & Adeleke, 2019).
Sogunro, Ayorinde and Adeleke (2019) estimated that low income earners would have to contribute more than twenty-eight percent of their emolument for forty years in order to maintain or enjoy at least fair standard of living. The study respectively used CONUASS (Consolidated University Academic Salary Structure) and CONTISS II (Consolidated Tertiary Institution Salary Structure) for academic and non-academic staff of the federal university in Nigeria. Nyong and Duze (2011) has defined retirement as the period people stop working while continuing to receive income but this does not seem applicable to most low income retirees. Nyong and Duze (2011) worked on the retirement planning in Nigeria and examined the ability of the current retirement scheme to provide sufficient old age financial security for retired teachers in Nigeria. The retirees were not comfortable with the provision of PRA 2004 in catering for the basic needs during retirement due to inadequacy of the benefits received. A large number of low income retirees return to informal sector to continue working in order to support the family basic needs. According to Wolf and López Del Río (2021), retirees look for financial supplement to help their financial needs due to benefit insufficiency. The two common supplements open to retirees are agriculture (fishery, poultry, pig or crop farming) and trading.
According to Apere (2017), assessing the adequate sustainability of pension system requires proper actuarial analyses which estimate the future cash flows in accordance with the detailed profiles of the contributors and the existing retirees taking into account the national demographic and economic variables. Unfortunately, such detailed actuarial analyses are not being employed in relevant pension cases by Nigerian pension managers (Ibiwoye & Adesona, 2010). In cases where the actuarial analyses are employed, the assumptions made in the analyses in respect of future growth rates, future lifetime of retirees, interest rate and the investment returns make the analyses unrealistic and difficult to apply. After many years of reform in pension system of Nigeria, there are some issues limiting the success of the scheme. Ajijola and Ibiwoye (2012) observed that a lot of people prefer programmed withdrawal to life annuity option because many retirees do not know more about longevity risk and the importance of using annuity as a retirement benefit option. The large number of people using PW pension benefit option can cause the current pension scheme in Nigeria to suffer the same fate as the old defined benefit system of pension if the expected survival lifetime is exceeded. Professional advice and series of actuarial publications on pension or pension related matters can help retirees on the best option to choose but unfortunately many actuarial reviews in Nigeria on matters relating to pension are not adequately utilised, published or used judiciously by the regulatory authorities (Apere, 2017).
2.4 Literature Gap
Despite many studies on the subject matter, there still exist gaps to fill in the empirical literature as regards a study that pays special attentions to the plights and fear of low income retirees of the contributory pension scheme of the federal public sector in respect of sufficiency of the retirement benefits. This study does not only look into the welfare and post-retirement standard of living of retirees in the public sectors but pays more attention to those retirees whose take-homes while in active service could barely satisfy the needs of their family members. From the reviewed literature, there has not been any serious attempt to see if the benefits received by the retired low income employees of the public service of the federation enable them to live comfortably in retirement by working out the minimum guaranteed amount of pension in respect of that. From the study of Sogunro, Ayorinde and Adeleke (2019), the savings accumulated by low income retirees through contributions could not provide fair standard of living upon retirement. There is need for subsidy by the government to augment the retirement benefit for minimum standard of living. Developing such minimum pension amount is one of the objectives of this study.
This study also builds on the study of Nyong and Duze (2011) and limits the investigation to low income retirees of the federal public service in Nigeria. Unlike the study of Nyong and Duze (2011) which made use of only quantitative approach, this study makes use of both quantitative and qualitative approaches to investigate the level of comfort or financial security enjoyed by low income retirees. In the course of this study, appropriate software is used to analyse data quantitatively and qualitatively. It calls for concerns for low income earners if teachers, with the levels of the job qualification requirements and high probability of not retiring as low income retirees, could be unsatisfied with the benefit packages received under the current pension system.
In the research work of Ibiwoye and Adesona (2011), various costs to be incurred by the Federal Government of Nigeria in providing GMP were computed based on a mere assumption of eighteen thousand naira as GMP. The result arrived at would not stand the test of time due to arbitrary choice of any amount as the GMP. Besides, the costs computed in the study would distort conclusion because computation of funding or cost of GMP depends greatly on the quantitative and quality analyses of the appropriate amount of GMP rather than using a mere assumed or illustrated value used in a research of another country with different economic situation from Nigeria. The study calculated the subsidy to be provided by the government to supplement the pension shortfall without specifying the exact qualifying years of contributions for GMP eligibility. In the course of this study, qualifying years for GMP will be specifically stated with the appropriate contributions expected for funding purpose. The modalities of GMP (with some problems and challenges limiting its implementation) and the average/expected minimum amount of pension a retiree is entitled are missing in the related pension literature in Nigeria.
In summary, based on the theoretical literature and framework reviewed/adopted in this study with the corresponding empirical evidences, the gaps in the literature have necessitated this study. A few studies have been embarked on by many researchers on the contributory pension scheme before and after the enactment of PRA in Nigeria in the year 2004 but not many studies have examined pension issues and challenges directly affecting only the low income retirees of the federal public service establishments (below GL 06) in Nigeria in the following study areas.
- The level of comfort enjoyed by the federal establishment low income retirees in Nigeria.
- The expected average amount of the minimum pension using CONPSS salary structure.
- The pension contributions which can cater for basic necessities of life in terms of feeding, clothing and shelter.
The missing areas in the existing literature are gaps this study fills and bridges to contribute to knowledge.
3. Methodology
3.1 Research Design
A cross-sectional descriptive sample survey method is the major research design for the study.
3.2 Population of the Study
One retiree was selected from each federal establishment to form the target population for the study. The population of the study comprises 1316 federal establishment low income retirees who are presently beneficiaries of the defined contribution pension plan.
3.3 Sample Size and Sampling Technique
As a result of homogeneity and uniformity in the federal public service in terms of grade levels, salary structure or systems, a simple random sampling technique was adopted. In order to determine the sample size of the study, Taro Yamane formula was used with 90% confidence level as follows:
s = P/(1+ Pe^2 ) ≅ 93
In addition to the 93 retirees, seven more respondents comprising 4 pension managers, consultant, salary commission and pension union representative were selected. The total sample size comprises 100 respondents.
3.4 Methods of Data Collection
The primary data consist of raw facts from the interview conducted while the secondary data were got from the readily compiled, accessible and downloadable data to complement or confirm the data gathered through primary source. The study drew greater knowledge from the PRA and series of publications from NSIWC and PenCom such as annual reports, pension updates, quarterly reports, pension frequently asked questions (FAQ) and so on. Other secondary sources used comprise series of publications relevant to pension management and administration in different textbooks, articles, journals, newspapers, forums, conferences, seminars and so on. The qualitative data which provide an in-depth investigation were generated by the interviews carried out through face-to-face, zoom application, WhatsApp video calls and telephone calls. The various means of interviews adopted enabled the respondents to be reached irrespective of the locations and have also given opportunity to eliminate confusion, misinformation and ambiguity during analysis.
3.5 Methods of Data Analysis
Descriptive statistics used contain tables, diagrams, charts and simple percentages to show how a variable among a particular set of data is fairly distributed in the whole set. Inferential statistics used in analysing the data are pension annuity formula, fund accumulation formula and Ordinary Least Square (OLS) Model.
In actuarial work, the choice of appropriate probability density distribution function to be employed to analyse a particular set of data is a very serious task. In order to perform the task of choosing the appropriate PDF that best suits the data used, EasyFit 5.6 Professional Software was employed. EasyFit Software generates statistics using three models (Kolmogorov Smirnov, Anderson Darling and Chi-Square) to select the best fit for the data. The statistics generated by the software in each model were ranked to determine the best fitness for the probability distribution used.
3.5.1 Formula/Model Specification
Salary growth rate (g)
F_2 = S (I +g) + Sg(1+g)
= S(1+g)[1 + g]
= S〖(1+g)〗^2
Following the above pattern, F_3 = S〖(1+g)〗^3.
Therefore, F_n = S[(I +g) +g(1+g) +g〖(1+g)〗^2+…+〖g(1+g)〗^(n-1)]
= S〖(1+g)〗^n (3.0)
Accumulated Value of Contributions ( )
The total contribution made into the retirement savings account is eighteen percent (18%) of the series of salaries. The accumulated value of the series of salaries received by a retiree for n years of service is represented in figure 2
Salary S_1 S_2 . . . S_n
Time 0 1 2 . . . n
Salary Accumulation Series
= 〖(1+g)〗^(n-1) +〖(1+g)〗^(n-2) +〖(1+g)〗^(n-3) + …+1
Summing up the series;
= (〖(1+g)〗^(n-1) [1 –v^n])/(1-v), where v = 1/(1+g)
= (〖v(1+g)〗^n [1 –v^n])/(1-v), where 1 – v = gv
= (〖v(1+g)〗^n [1 –v^n])/gv
= S (〖(1+g)〗^n – 1)/g (3.1)
Pension Annuity Payment
Pension payment P P P . . . P
Time m_1 m_2 m_3 . . . m_n
Pension Annuity Payments
The present value of the series of pension annuity payments consisting of n payments of P at the beginning of each of the next mth time periods is represented by P
= 1 + v + v2+… vn-1
Summing up;
P = (p (1 – v^n))/(1-v) (3.2)
Ordinary Least Square (OLS)
The contributions serve as the independent variable(X) while the retirement benefit is the dependent variable (Y). Hence, the equation is defined as:
Ŷ = а + ь Ҳ (3.3)
ь = (n∑ ҲY – ∑X∑Y)/(n∑X^2 – 〖(∑X)〗^2 ) (3.4)
а= ( ∑X^2 ∑Y – ∑X∑ ҲY)/(n∑X^2 – 〖(∑X)〗^2 ) (3.5)
Test of reliability of the model
Standard Error of the Estimate (Se)
Se = √((∑▒〖(Y –Ŷ)〗^2 )/(n-2)) (3.6)
3.5.2 Assumptions
- Returns on investment on the pension contributions of retirees when in active service are ignored. This is due to the role of inflation and other negative return effects on the future value of the invested contributions. It is assumed that the accumulated interest on invested contributions throughout the entire service years of the retirees will lose its value in the long run as a result of the effect of inflation and time value of money over the years of contributions. It is logical to assume that interest on investment and other positive impacts offset the effect of inflation and other adverse investment effects making the accumulated contributions remain the exact monetary value contributed by the retirees.
- Retirees did not exceed Grade Level Five (GL 05) before retirement
- The retiree’s final salary prior to retirement was not more than fifty thousand naira using a unified and consolidated public service salary structure.
- Retirees did not spend more than thirty-five (35) years in service and sixty (60) years is the maximum age for retirement. No voluntary/early retirement allowed before 20 years in service.
- Annuity due is assumed for the pension payment while annuity immediate applies to accumulated value of the contribution. By annuity due, payment of pension commences immediately in the month of retirement. Applying annuity immediate concept for the accumulation value of contributions shows consistency that contribution was made at the end of the month when an employees received monthly salary.
The interpretation of result given in the study is based on the analysis of the data collected or presented having considered the relevant assumptions of the study.
4. Data Analysis and Interpretation
4.1 Presentation of Data
The secondary data contain various salary ranges received by pensioners and the series of all contributions made while in active service with the total retirement benefits paid by various pension managers/operators. The primary data were obtained from the field survey using various means of interview instruments to obtain information from the ninety-three retirees who retired not earlier than the year 2020 in order to have timely and relevant information.
The salary structure used is the Consolidated Public Service Salary Structure (CONPSS) obtained from the National Salaries, Incomes and Wages Commission (NSIWC). CONPSS contains seventeen grade levels with different steps. Grade levels 1 – 10 have fifteen steps each, levels 11 – 14 have eleven steps each while grade levels 15 – 17 have nine steps each. The contribution and retirement benefit data between the years 2004 – 2022 were retrieved from the series of annual reports/publications of PenCom. Contributions into pension funds started in the year 2004 while the payment of retirement benefits started in the year 2008 consisting of the retirement benefits of those that retired as from the 25th June 2007.
4.2 Analysis of Primary Data
4.2.1 Retirees’ Interview
From the responses of the ninety-three retirees, the years spent in service were computed using the years/dates of employment and retirement. Table 2 shows the result.
Table 2: Length of Service
length of service | No of retirees | Percentage (%) |
20 – 25 | 48 | 51.6 |
26 – 30 | 31 | 33.3 |
31 – 35 | 14 | 15.1 |
93 | 100.0 |
Source: Researcher’s Field Survey
Table 3: Descriptive statistics of years of Service
|
|
Table 4: Grade level and last salary range (r) prior to retirement
Level | No | r (₦’000) | No | |
1 | 0 | 31 < r < 34 | 06 | |
2 | 0 | 34 ≤ r < 37 | 11 | |
3 | 0 | 37 ≤ r < 40 | 29 | |
4 | 41 | 40 ≤ r < 43 | 22 | |
5 | 52 | 43 ≤ r < 45 | 25 |
Source: Researcher’s Field Survey
The level of comfort enjoyed by low income retirees in fulfilling major and basic needs of feeding, clothing and shelter was estimated through various pension amounts received. From Table 5, a larger percentage of the retirees receive an amount between ten thousand naira and fifteen thousand naira as monthly pension.
Table 5: Respondents’ monthly pension amount
Monthly pension (x) ₦’000 | Frequency (f) | Percentage (%) |
10 < x < 15 | 44 | 47.3 |
15 ≤ x < 20 | 36 | 38.7 |
20 ≤ x < 25 | 13 | 14.0 |
Source: Researcher’s Field Survey
Table 6: Goodness of Fit of Johnson SB Probability Density Function on Interviewees’ Pension Amount
Johnson SB parameters: =0.27789 =0.7013 =14374.0 =8925.0 | |||||
Kolmogorov-Smirnov | |||||
Sample Size Statistic P-Value Rank |
93 0.07907 0.57848 1 |
||||
| 0.2 | 0.1 | 0.05 | 0.02 | 0.01 |
Critical Value | 0.10947 | 0.12506 | 0.13891 | 0.15533 | 0.16666 |
Reject? | No | No | No | No | No |
Anderson-Darling | |||||
Sample Size Statistic Rank |
93 0.7586 2 |
||||
| 0.2 | 0.1 | 0.05 | 0.02 | 0.01 |
Critical Value | 1.3749 | 1.9286 | 2.5018 | 3.2892 | 3.9074 |
Reject? | No | No | No | No | No |
Chi-Squared | |||||
Deg. of freedom Statistic P-Value Rank |
6 5.892 0.43539 3 |
||||
| 0.2 | 0.1 | 0.05 | 0.02 | 0.01 |
Critical Value | 8.5581 | 10.645 | 12.592 | 15.033 | 16.812 |
Reject? | No | No | No | No | No |
Source: EasyFit Software Analysis
Among sixty-one probability functions tested using the Kolmogorov-Smirnov, Anderson Darling and Chi-Squared Models, the Johnson SB Distribution was selected as the best pdf for the data judging by the model statistics shown in Table 6. Fitting in the parameters in the Johnson System Bounded PDF, an average pensioner interviewed receives ₦15 087.00 as monthly pension.
Only three retirees were able to make additional voluntary contribution while in active service and about 96.8% of the retirees have other means of survival. From the responses of the retirees, various challenges under the contributory pension which seem to defeat the objectives of the scheme are: the insufficiency of the benefit received; no impact of investment returns felt; non-review of pension benefits for a long time; inflation or purchase power of the pension amount; reluctance or non-implementation of regulation that increases the pension benefit of low income retirees; leadership or competence problems which result to corruption or embezzlement of funds; undemocratic state of the pension industry which practically ties the hands of the fund contributors on matter relating to management, administration and investment of pension funds.
4.2.2 Pension Manager/Consultant Interview
The investment instruments do not give higher yield but safety of fund is guaranteed. There is an investment limit on each allowable instrument in order to diversify all investment instruments available to the PFA. The pension contributions are always safeguarded to ensure transparency, accountability and safety. The key safeguards of the CPS contributions include: ring fencing of pension contributions; separating the assets of the pension managers from the pension funds; regulating and monitoring of pension contributions by the regulator and the concerned parties; prohibiting the usage of pension contributions as loan collateral or loanable funds; strict licensing requirements imposed on the custodian of pension contributions. On the compliance issue, the erring operator is punished by the appropriate authority for any case of non-compliance specified by the Act. The valuation reports submitted by PFAs at the end of each trading day help to verify compliance with the regulations by scanning for possible infractions. Few other challenges faced in the CPS as observed by different respondents include: technical competence; more capacity building and institutional strengthening; national cohesion threats and choice of management leadership which are based on regional or loyalty rewards instead of competence and qualification.
4.3 Analysis of Secondary Data
In considering the two options of pension benefit payments of life annuity and programmed withdrawal, analysis was carried out on the historical retirement benefits, the pension contributions and the CONPSS salary structure of the various federal establishments.
4.3.1 Programmed Withdrawal Option
Using EasyFit Software to analyse CONPSS salary structure, the average monthly pension amount was derived. In order to find best distribution fit, Table 7 displays sixty-one PDFs run by EasyFit Software using the Kolmogorov Smirnov, Anderson Darling and Chi-Square.
Table 7: Summary of PDF and Model Goodness of Fit |
# | Distribution | Kolmogorov Smirnov |
Anderson Darling |
Chi-Squared | |||
Statistic | Rank | Statistic | Rank | Statistic | Rank | ||
1 | Beta | 0.06021 | 17 | 2.0819 | 32 | 1.6267 | 12 |
2 | Burr | 0.17499 | 44 | 3.9223 | 36 | 11.341 | 40 |
3 | Burr (4P) | 0.42228 | 48 | 22.675 | 49 | 34.606 | 45 |
4 | Cauchy | 0.13962 | 38 | 1.8068 | 30 | 2.4196 | 25 |
5 | Chi-Squared | 0.49456 | 52 | 531.12 | 57 | 158.8 | 50 |
6 | Chi-Squared (2P) | 0.49781 | 53 | 593.43 | 58 | 87.12 | 48 |
7 | Dagum | 0.55576 | 54 | 27.909 | 51 | 785.25 | 55 |
8 | Dagum (4P) | 0.48567 | 50 | 42.09 | 55 | 90.733 | 49 |
9 | Erlang | 0.07269 | 25 | 0.64516 | 21 | 2.0426 | 17 |
10 | Erlang (3P) | 0.16535 | 42 | 3.9875 | 37 | 9.6801 | 36 |
11 | Error | 0.08188 | 29 | 0.92055 | 26 | 2.23 | 24 |
12 | Error Function | 1 | 60 | N/A | N/A | ||
13 | Exponential | 0.57335 | 55 | 28.267 | 52 | 409.32 | 52 |
14 | Exponential (2P) | 0.15309 | 41 | 4.8208 | 41 | 10.063 | 37 |
15 | Fatigue Life | 0.07108 | 24 | 0.59777 | 20 | 2.8981 | 30 |
16 | Fatigue Life (3P) | 0.04363 | 7 | 0.16938 | 6 | 0.94702 | 5 |
17 | Frechet | 0.05622 | 16 | 0.27644 | 13 | 1.6723 | 13 |
18 | Frechet (3P) | 0.04611 | 12 | 0.20652 | 11 | 2.0646 | 18 |
19 | Gamma | 0.07033 | 22 | 0.65824 | 22 | 2.1445 | 22 |
20 | Gamma (3P) | 0.04355 | 6 | 0.15785 | 5 | 0.34888 | 2 |
21 | Gen. Extreme Value | 0.03558 | 3 | 0.14768 | 4 | 0.63201 | 3 |
22 | Gen. Gamma | 0.0744 | 27 | 0.69546 | 23 | 2.1701 | 23 |
23 | Gen. Gamma (4P) | 0.0394 | 4 | 0.11928 | 3 | 1.273 | 8 |
24 | Gen. Pareto | 0.04667 | 13 | 11.5 | 46 | N/A | |
25 | Gumbel Max | 0.04713 | 14 | 0.2514 | 12 | 1.3779 | 9 |
26 | Gumbel Min | 0.15114 | 40 | 4.6336 | 39 | 10.113 | 38 |
27 | Hypersecant | 0.11404 | 36 | 1.3774 | 29 | 5.8342 | 32 |
28 | Inv. Gaussian | 0.08353 | 30 | 0.78524 | 25 | 2.0152 | 16 |
29 | Inv. Gaussian (3P) | 0.04391 | 8 | 0.17037 | 7 | 1.1291 | 7 |
30 | Johnson SB | 0.03318 | 2 | 0.05454 | 1 | 0.32112 | 1 |
31 | Kumaraswamy | 0.24158 | 46 | 7.6744 | 44 | 15.953 | 43 |
32 | Laplace | 0.14153 | 39 | 2.009 | 31 | 10.136 | 39 |
33 | Levy | 0.62379 | 57 | 35.319 | 54 | 657.03 | 54 |
34 | Levy (2P) | 0.3348 | 47 | 9.6273 | 45 | 47.009 | 46 |
35 | Log-Gamma | 0.06899 | 21 | 0.5627 | 17 | 2.8795 | 28 |
36 | Log-Logistic | 0.06759 | 20 | 0.56803 | 18 | 2.0953 | 19 |
37 | Log-Logistic (3P) | 0.04803 | 15 | 0.28771 | 14 | 1.9136 | 15 |
38 | Log-Pearson 3 | 0.04315 | 5 | 0.19723 | 10 | 1.0795 | 6 |
39 | Logistic | 0.09939 | 33 | 1.1086 | 28 | 4.7577 | 31 |
40 | Lognormal | 0.07093 | 23 | 0.59604 | 19 | 2.8964 | 29 |
41 | Lognormal (3P) | 0.04465 | 10 | 0.17992 | 8 | 1.5757 | 10 |
42 | Nakagami | 0.07398 | 26 | 0.75464 | 24 | 2.7549 | 27 |
43 | Normal | 0.08156 | 28 | 0.92538 | 27 | 2.63 | 26 |
44 | Pareto | 0.17425 | 43 | 5.8229 | 42 | 11.802 | 41 |
45 | Pareto 2 | 0.61007 | 56 | 31.642 | 53 | 436.79 | 53 |
46 | Pearson 5 | 0.06719 | 18 | 0.50821 | 15 | 2.1301 | 21 |
47 | Pearson 5 (3P) | 0.04551 | 11 | 0.19254 | 9 | 1.8759 | 14 |
48 | Pearson 6 | 0.0672 | 19 | 0.51204 | 16 | 2.1264 | 20 |
49 | Pearson 6 (4P) | 0.49367 | 51 | 26.251 | 50 | 58.627 | 47 |
50 | Pert | 0.09582 | 32 | 4.6716 | 40 | 7.9733 | 35 |
51 | Power Function | 0.13806 | 37 | 3.0381 | 35 | 16.0 | 44 |
52 | Rayleigh | 0.43438 | 49 | 19.131 | 47 | 175.66 | 51 |
53 | Rayleigh (2P) | 0.09252 | 31 | 4.4509 | 38 | 7.6758 | 34 |
54 | Reciprocal | 0.22324 | 45 | 6.1607 | 43 | 13.527 | 42 |
55 | Rice | 0.66345 | 58 | 529.16 | 56 | N/A | |
56 | Student’s t | 1.0 | 59 | 1538.6 | 59 | 2.4153E+11 | 56 |
57 | Triangular | 0.04441 | 9 | 2.1661 | 33 | 1.6267 | 11 |
58 | Uniform | 0.1035 | 34 | 20.107 | 48 | N/A | |
59 | Weibull | 0.11319 | 35 | 2.541 | 34 | 6.7257 | 33 |
60 | Weibull (3P) | 0.03185 | 1 | 0.08981 | 2 | 0.63749 | 4 |
61 | Johnson SU | No fit |
Source: EasyFit Software Analysis
Table 7 shows different test statistic generated by each model under respective PDF in order to choose the best PDF for the analysis. Looking at Weibull Distribution (3P) with the generated statistics by the models, Kolmogorov Smirnov ranks 1st, Anderson Darling ranks 2nd while Chi-Square ranks 4th.
From Table 8, Weibull Probability Distribution (with 3 parameters) is the best fit for the analysis of average pension amount of low income retirees based on the current salary structure of CONPSS. Fitting the parameters (=1.5632 =5981.4 =29834.0) into the mean ( ) and the standard deviation ( ) of Weibull Distribution, the expected value and the deviation are ₦35 220 and ₦3 471.30 respectively. Examining the stability or normality of the results, the standardized measure of variability (coefficient of variation) was employed. A lower CV value of 9.86% suggests the distribution used is better in terms of normality, standard and stability.
Table 8: Weibull Distribution Goodness of Fit
Weibull (3P): =1.5632 =5981.4 =29834.0 | |||||
Kolmogorov-Smirnov | |||||
Sample Size Statistic P-Value Rank |
75 0.03185 1.0 1 |
||||
| 0.2 | 0.1 | 0.05 | 0.02 | 0.01 |
Critical Value | 0.12167 | 0.13901 | 0.15442 | 0.17268 | 0.18528 |
Reject? | No | No | No | No | No |
Anderson-Darling | |||||
Sample Size Statistic Rank |
75 0.08981 2 |
||||
| 0.2 | 0.1 | 0.05 | 0.02 | 0.01 |
Critical Value | 1.3749 | 1.9286 | 2.5018 | 3.2892 | 3.9074 |
Reject? | No | No | No | No | No |
Chi-Squared | |||||
Deg. of freedom Statistic P-Value Rank |
6 0.63749 0.99574 4 |
||||
| 0.2 | 0.1 | 0.05 | 0.02 | 0.01 |
Critical Value | 8.5581 | 10.645 | 12.592 | 15.033 | 16.812 |
Reject? | No | No | No | No | No |
Source: EasyFit Software Analysis
4.3.2 Life Annuity Pension Option.
Using Equation (3.0) stated earlier, different salary growth rates based on the lengths of service are computed and displayed in Table 9.
Table 9: Computation of Pooled Salary Growth Rate
Length of Service | Salary Ratio | Salary Growth Rate (g) |
20 | 1.0199 | 0.019989792 |
21 | 1.019 | 0.019028899 |
22 | 1.018 | 0.018156145 |
23 | 1.017 | 0.017359936 |
24 | 1.016 | 0.016630624 |
25 | 1.0159 | 0.015960119 |
26 | 1.015 | 0.015341584 |
27 | 1.0147 | 0.014769202 |
28 | 1.014 | 0.014237994 |
29 | 1.0137 | 0.01374367 |
30 | 1.013 | 0.013282519 |
31 | 1.0128 | 0.012851309 |
32 | 1.0124 | 0.012447217 |
33 | 1.012 | 0.012067762 |
34 | 1.0117 | 0.011710757 |
35 | 1.0113 | 0.011374269 |
|
0.015
|
Source: Researcher’s computation
Figure 2: Probability Distribution of Salary Growth Rate
Source: EasyFit Software Analysis
Figure 4 displays how the salary growth rates in Table 9 are distributed by Johnson SB Probability Density Function. The salary growth rates for different lengths of service range between 1.1% and 2%. Applying the parameters of the PDF in the mean value, the pooled salary growth rate is 0.015. Using the pooled salary growth rate, accumulated value of eighteen percent (18%) pension contributions can be derived using Equation (3.1).
Average Accumulated Value of Salaries (AAVS) = 12 * ₦35 220
=₦ 19 269 040.03
Average Accumulated Value of Contributions (AAVC) = 18% of AAVS =₦ 3 468 427.205
Using Equation (3.2) to compute average annual pension (P) when the average contributions of a retiree amounted to ₦ 3 468 427.205 p.a;
₦ 3 468 427.205 =
₦ 3 468 427.205 = 9.361P
P =
= ₦ 370 537.9827
Monthly Pension =
= ₦ 30 878.17
4.3.3 Guaranteed Minimum Pension (GMP)
The values got in both pension benefit options (programmed withdrawal and annuity) differ. A larger pension value of ₦ 35 220.00got in programmed withdrawal than annuity (₦ 30 878.17) option explains the reason many retirees go for programmed withdrawal instead of annuity. At the end, all values will be equal because annuity fund is inexhaustible while programmed withdrawal can be exhausted. For fairness, minimum guaranteed pension should be a uniform amount irrespective of the benefit option adopted in order to maintain balance between the two values to produce the GMP at no extra cost.
GMP = ₦ 33 049.01
Although, an average pension amount of ₦ 33 049.01 is still not enough coupled with the current state of the Nigerian economy but one of the theories which this study is based is the Theory of Life Cycle Hypothesis (LCH) (in Section 2.1.4 of the study) which believes that consumptions reduce towards the later years in the life cycle of mankind because most of the achievable goals set by individuals must have been accomplished before retirement. Consumption during retirement is mostly channelled to the necessity of life such as feeding, clothing and shelter. For one thousand, three hundred and sixteen (1316) MDAs in Nigeria with at least one low income retiree in each of the federal establishments, the total retirement benefit per annum is 12* ₦ 33 049.01 * 1316 = ₦ 521 909 965.90. For a period of ten years, the value of the benefit is 10* ₦ 521 909 965.90 = ₦ 5 219 099 659
4.4 Funding
As indicated in Section 2.1.3 (Theory of Pension Funding and Policy), it is important to consider the funding or cost implication of GMP in order to continue to sustain the policy of GMP implementation. The Pension Funding Policy Theory combines the attributes of Deferred Wage (in Section 2.1.1) and the Expectancy Theories (in Section 2.1.2). Table 10 shows the analysis of total pension contributions and retirement benefits from the years 2004 to 2022 using equations (3.3) to (3.6).
Table 10: Analysis of Pension Contributions and Retirement Benefits (2004-2022)
|
Ҳ | ҲY | Ŷ | |||||||
2004 | 15.6 | 0 | 0 | 243.36 | -39.74 | 39.74 | 1579.268 | |||
2005 | 34.68 | 0 | 0 | 1202.702 | -31.154 | 31.154 | 970.5717 | |||
2006 | 60.41 | 0 | 0 | 3649.368 | -19.5755 | 19.5755 | 383.2002 | |||
2007 | 148.97 | 0 | 0 | 22192.06 | 20.2765 | -20.2765 | 411.1365 | |||
2008 | 180.09 | 13.85 | 2494.247 | 32432.41 | 34.2805 | -20.4305 | 417.4053 | |||
2009 | 228.31 | 35.85 | 8184.914 | 52125.46 | 55.9795 | -20.1295 | 405.1968 | |||
2010 | 265.49 | 43.27 | 11487.75 | 70484.94 | 72.7105 | -29.4405 | 866.743 | |||
2011 | 348.48 | 72.12 | 25132.38 | 121438.3 | 110.056 | -37.936 | 1439.14 | |||
2012 | 461.76 | 94.84 | 43793.32 | 213222.3 | 161.032 | -66.192 | 4381.381 | |||
2013 | 503.92 | 142.17 | 71642.31 | 253935.4 | 180.004 | -37.834 | 1431.412 | |||
2014 | 581.73 | 182.8 | 106340.2 | 338409.8 | 215.0185 | -32.2185 | 1038.032 | |||
2015 | 558.96 | 206.47 | 115408.5 | 312436.3 | 204.772 | 1.69799999999998 | 2.883204 | |||
2016 | 488.2 | 208.01 | 101550.5 | 238339.2 | 172.93 | 35.08 | 1230.606 | |||
2017 | 610.84 | 292.81 | 178860.1 | 373125.5 | 228.118 | 64.692 | 4185.055 | |||
2018 | 607.55 | 283.86 | 172459.1 | 369117 | 226.6375 | 57.2225 | 3274.415 | |||
2019 | 700.69 | 342.28 | 239832.2 | 490966.5 | 268.5505 | 73.7294999999999 | 5436.039 | |||
2020 | 908.09 | 320.08 | 290661.4 | 824627.4 | 361.8805 | -41.8005000000001 | 1747.282 | |||
2021 | 879.15 | 326.32 | 286884.2 | 772904.7 | 348.8575 | -22.5375 | 507.9389 | |||
2022 | 891.25 | 383.85 | 342106.3 | 794326.6 | 354.3025 | 29.5475 | 873.0548 | |||
8474.17 | 2948.58 | 1996837 | 5285179 | 30580.76 |
Source: Researcher’s Computation from MS Excel
From the table,
а = -46.76384393
= -46.76
ь = 0.452798685 = 0.45
Ŷ = -46.76 + 0.45Ҳ (First regression equation)
Se = = 42.413
Applying the regression equation to compute the expected contributions;
Ŷ = -46.76 + 0.45Ҳ, where Ŷ = ₦5 219 099 659
5.219099659 = -46.76 + 0.45Ҳ
Ҳ = ₦ 115.5176524
4.5 Discussion
The low income retirees examined in this study retired at the grade levels four and five having served for 20 to 35 years (as shown in Tables 2, 3 & 4). The series of processes and multiple forms filled by intending retirees during documentations have reduced the problems encountered by retirees in accessing their pension benefits. Also, the early notification of retirement by employers to the pension operators and regulatory authority has helped to combat the issues of non-payment of benefits witnessed in the old system. Prospective retirees solve documentation problems before retirement due to early start of the processing. The volume of contribution made into RSA by low income employees is determined by the amount earned as salaries.
From Table 5, what the low income retirees get as pension benefits cannot satisfy basic necessities of life in terms of feeding, shelter and clothing as a result of the insufficient salaries (shown in Table 4) which the pension contributions were based while in active service. The meagre salaries received while in active service did not allow them to make additional voluntary contributions to augment the pension fund. The insufficiency of pension benefits has led old retirees to search for another job after retirement to sustain body and soul. Life is difficult for this set of retirees as the body is weak for new job engagement. Compliance issue used to be a greater problem common among the pension operators because the Pension Reform Act enacted in the year 2004 was silent on some punishments to be given to erring operators. The PRA 2014 has tried to amend some areas whose punishments were silent in the previous Act. Furthermore, any operator who misappropriates any pension fund will be dealt with accordingly.
The pension benefit received by the low income retirees of the federal public service in Nigeria is insufficient despite considerable years spent in active service. It is therefore compulsory to implement guaranteed minimum pension which will help the low income retirees to meet the basic needs of feeding, shelter and clothing. This study has computed a GMP of ₦ 33 049.01 as monthly pension for ten years which will require pension funding or contributions of ₦115.5b. The funding only covers 1316 low income retirees in the federal public service in Nigeria. The value can now be adjusted based on the number of retirees envisaged. The FGN is expected to make up for any shortfall in the pension funds as pension subsidy if the pension contributors do not contribute up to that amount. One of the major challenges of pension system in Nigeria is corruption. Bureaucratic corruption is responsible for government inability to implement welfare package for retired low income workers due to nepotism or favouritism in the choice of leadership which is based on loyalty/party reward instead of competence. In Table 3, most retirees spent 20 years in active service and Rewane (2023) found out that most retirees die within 10 years after normal retirement of 60 years. In line with Rewane (2023) and analysis shown in Table 3, GMP qualifying year of service is 20 years and the payment ceases after 10 years of subsidy payment. After this period, the retirees then revert to their original pension amount without subsidy. At this period, the appetite of the retirees for some levels of basic necessity of life (such as feeding, clothing and housing needs) has reduced to barest minimum. Retirees can now survive with less amount than the GMP.
4.6 Summary of Findings
Based on the analysis of data carried out in this study, Table 11 summarises the research findings.
Table 11: Summary of Findings
Contents | Findings |
Pension or life market | Competitive. The competition channels the operators to behave rationally in managing and investing the pension funds. |
Level of welfare or comfort of low income retirees | Welfare package is insufficient and does not meet the minimum standard of living of retirees. |
Investment and safety of pension funds | Restriction mitigates efficient investment returns but assures safety of funds. |
Actuarial principles. | Not fully applied by the pension operators in order to benefit all parties accordingly. The operators place their profit maximization goal above the contributors’ welfare. |
Average amount of GMP | ₦ 33 049.01 per month |
Expected contribution/funding | ₦ 115.5176524 billion for ten years |
CPS challenges | Limited investible assets, benefit insufficiency, stringent regulation and its compliance, unreliable statistical data, undemocratic state of pension industry, incessant inflation, leadership/governance challenges, capacity building and institutional strengthening. |
5. Conclusion and Reccomendation
5.1 Conclusion
This study examined the sufficiency of the pension benefits received by low income retirees of the federal public service in Nigeria. As observed in this study, pension benefit received by retirees under programmed withdrawal option is more than that of life annuity option. The logical explanation for this is that life annuity pension payment is for the entire lifetime of the retirees while the programmed withdrawal option has expiry time. Aside the lifetime pension provision of annuity option, it is absolutely necessary to bring in another player not just to participate in the pension system but serve as a watchdog for pension managers and administrators in the way pension funds are being managed or accumulated in order to curb the problem of benefit insufficiency. As Nigeria advances towards a dependable and comprehensive system of pension administration, this study adds to the drive which provides simulating evaluation of the efficient and effective sufficiency of the current pension system benefits. The study analysis serves as direction to know which areas of current pension plan can be improved upon for adequacy and sufficiency of retirement benefits. In order to adequately fund the minimum guarantee pension for low income retirees and reduce the fiscal cost of pension system, government should review the excessive generous tax treatment of pension payment above certain amount. The Pension Commission should also review commissions and curb the unnecessary hidden fees charged by the pension operators/managers in order to increase the accumulated contributions of retirees.
5.2 Recommendation
Arising from the findings of this study, the followings are recommended.
- In order to secure the future of the retirees, only life annuity option perfectively suits the purpose of providing pension payment for retirees
- In order to adequately address the plights, issues and challenges of pensioners in Nigeria, the government should create a separate ministry for pension that will be distinctly and solely responsible for all matters relating to pension issues.
- A GMP of ₦ 33 049.01 should be implemented for low income retirees of the federal public service with the modalities of minimum of 20 years in active service for qualification and the pension subsidy will last for 10 years after normal retirement age of 60 years old or 35 years in service. The guaranteed minimum pension will not run more than one hundred and twenty months which can also be deferred at the discretion of the retirees. The retirees revert to actual pension benefit amount without subsidy after ten-year post retirement or deferred period.
- Finally, the government should consider raising the normal retirement age from 60 years or 35 years of service to 65 years or 40 years in service to enable low income earners cater for not only the basic needs but also accumulate more pension funds for their retirement.
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