The FERS supplement: your bridge payment between retirement and Social Security

The FERS supplement approximates the Social Security benefit you earned during your federal career and pays it from the month you retire until you turn 62, so you are not left waiting for income you have already earned.

What is the FERS supplement?

FERS was designed as a three-legged stool: pension, TSP, and Social Security. If you retire before 62, the Social Security leg is missing. The supplement fills that gap by approximating what your Social Security benefit would be based only on your federal service years. It is one of the most valuable pieces of the FERS package, and one of the most commonly overlooked.

Quick facts

• Typical monthly amount: $1,000 to $2,000 per month.
• Supplement ends at: age 62.
• 2026 earnings test limit: $24,480 per year.
• Excess earnings reduction: $1 for every $2 over the limit.

Who qualifies

• MRA + 30 years: If you reach your Minimum Retirement Age (55 to 57 depending on birth year) with at least 30 years of creditable federal service, you qualify for an immediate, unreduced retirement with the FERS supplement. The supplement begins automatically at retirement.
• Age 60 + 20 years: Federal employees who retire at age 60 or older with at least 20 years of creditable service also qualify. It bridges the gap from retirement until you turn 62 and can claim Social Security.
• Special-provision employees: Law enforcement, firefighters, and air traffic controllers can qualify even earlier, and their supplement is not subject to the earnings test until they reach their MRA.

Who does not qualify

• MRA + 10 reduced retirement: If you retire at your MRA with only 10 years of service (a reduced retirement), you do not qualify for the supplement.
• Deferred and disability retirees: Those who take a deferred retirement or a disability retirement are also ineligible.
• VERA in most cases: Voluntary Early Retirement Authority (VERA) retirees generally do not receive the supplement unless they meet the standard MRA + 30 or Age 60 + 20 requirements at the time of separation.

How it is calculated

Your supplement equals your estimated Social Security benefit at age 62, multiplied by the ratio of your FERS service years divided by 40. Roughly: (years of FERS service divided by 40) times your age-62 Social Security estimate. The result approximates the Social Security you earned during federal employment only. More federal years and a higher earnings record mean a larger supplement.

For example, if your estimated Social Security benefit at 62 is $2,200 per month and you have 30 years of FERS service, your supplement would be approximately $1,650 per month ($2,200 times 30/40).

The earnings test, where people get surprised

Once you reach your MRA, the supplement is subject to the same earnings test as Social Security. If you earn more than the annual limit from wages or self-employment, your supplement is reduced by $1 for roughly every $2 over the limit. In 2026 that limit is $24,480 per year. Pension income, TSP withdrawals, and investment income do not count. Only earned income does.

The critical catch: unlike the actual Social Security earnings test, reductions to the FERS supplement are permanent. You never get that money back. This matters enormously for retirees planning to do consulting or part-time work. Key points to remember:

• The 2026 earnings limit is $24,480 per year.
• Your supplement is reduced $1 for every $2 over the limit.
• Reductions are permanent and are never recovered later.
• The test applies to wages and self-employment income.
• Investment income and pension income do not count.
• Plan consulting income carefully and consider the timing of your retirement date.

What happens at age 62

The FERS supplement stops the month you turn 62, whether or not you claim Social Security then. It also does not receive annual cost-of-living adjustments while you are receiving it. At that point you face a separate decision: start Social Security immediately at a reduced rate, or delay for a higher monthly payment.

• Start Social Security at 62 (reduced): You can begin Social Security immediately to replace the supplement income, but your benefit will be permanently reduced, typically 25% to 30% less than your full retirement age amount.
• Delay for higher benefits: If your FERS pension and TSP can cover expenses, delaying Social Security until full retirement age (67) or even age 70 means significantly higher monthly payments for the rest of your life. For most federal employees with a solid FERS pension, delaying is often the smarter move, since your benefit increases roughly 6% to 8% for each year you delay.

FERS supplement FAQ

How much is the FERS supplement?

The FERS Special Retirement Supplement varies based on your salary history and years of federal service. Most eligible retirees receive between $1,000 and $2,000 per month. The formula takes your estimated Social Security benefit at age 62 and multiplies it by the ratio of your FERS service years divided by 40. For example, if your estimated Social Security benefit is $2,200 and you have 30 years of FERS service, your supplement would be approximately $1,650 per month ($2,200 x 30/40).

Do I have to apply for the FERS supplement?

No, the FERS Special Retirement Supplement is automatic if you meet the eligibility requirements. When you retire under FERS with the qualifying age and service combination, either at your Minimum Retirement Age (MRA) with 30 years of service, or at age 60 with 20 years of service, OPM will calculate and include the supplement in your retirement benefit. You do not need to file a separate application.

Is the FERS supplement taxable?

Yes, the FERS Special Retirement Supplement is taxable as ordinary income at the federal level and in most states that tax retirement income. However, unlike actual Social Security benefits, the supplement is not subject to Social Security (FICA) or Medicare taxes. It is reported on your 1099-R along with your FERS annuity payment.

Can I work part-time and still receive the FERS supplement?

Yes, but be careful. The FERS supplement is subject to the Social Security earnings test. In 2026, if you earn more than $24,480 from employment, your supplement is reduced by $1 for every $2 over that limit. Unlike the actual Social Security earnings test, reductions to the FERS supplement are permanent. You do not get that money back later. This is a critical consideration for retirees planning to do consulting or part-time work.

Does the FERS supplement affect my Social Security benefit?

No, the FERS Special Retirement Supplement and Social Security are completely separate programs. Receiving the supplement has no impact on your future Social Security benefit amount. When you turn 62 and the supplement ends, you can choose to start Social Security (at a reduced rate) or delay for a higher benefit. Your Social Security calculation is based on your highest 35 years of earnings, regardless of the supplement.