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Comparing replacement rates under private and federal retirement systems
Social Security Bulletin
|June 29, 2004
Summary
This study compares retirement income replacement rates for private-sector, Civil Service Retirement System (CSRS), and Federal Employees Retirement System (FERS) employees. Private-sector retirees generally have higher replacement rates than FERS retirees, especially when considering all benefits.
Area of Science:
- Retirement income adequacy and financial planning
- Public and private sector employee compensation and benefits analysis
Background:
- Retirement income adequacy is often measured by salary replacement rates.
- Federal employees are covered by either the Civil Service Retirement System (CSRS) or the Federal Employees Retirement System (FERS).
- Private-sector retirement plans vary, necessitating the development of a typical plan for comparison.
Purpose of the Study:
- To compare salary replacement rates for private-sector employees with those of federal employees under CSRS and FERS.
- To analyze how different earnings levels (low, average, high, maximum) affect replacement rates across the three systems.
- To evaluate the impact of including or excluding Social Security and defined contribution plan benefits on replacement rates.
Main Methods:
- Developed a composite defined benefit formula for a 'typical' private-sector plan based on Bureau of Labor Statistics data.
- Compared this typical private-sector plan (with a defined contribution component) against CSRS and FERS.
- Calculated replacement rates for hypothetical workers with 35 years of service retiring at age 65, across four earnings levels.
Main Results:
- Excluding Social Security and defined contribution plans, CSRS retirees show higher replacement rates than FERS or private-sector retirees.
- Private-sector retirees generally have higher replacement rates than FERS retirees across all earnings levels.
- When including Social Security and defined contribution plans (like TSP/401(k)), private-sector replacement rates are comparable to FERS and higher than CSRS.
Conclusions:
- CSRS offers higher replacement rates without Social Security, but FERS and private-sector plans become more competitive when all benefits are considered.
- Private-sector replacement rates can exceed 100% for FERS employees contributing to the Thrift Savings Plan (TSP).
- Social Security is a larger proportion of benefits for lower-income private-sector workers, while defined contribution plans are more significant for higher earners.
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