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Six FERS Annuity Tips That Could Help You Build a Retirement Plan You Can Feel Confident About

Missy E
November 14, 2025

Key Takeaways:

Your FERS annuity is the foundation of your retirement income, but understanding its nuances can maximize its value.
Planning early and coordinating your FERS benefits with Social Security and TSP ensures financial security in retirement.

Understand Your High-3 Average Salary

Your Federal Employees Retirement System (FERS) annuity is calculated based on your “high-3” average salary. This figure represents the average of your highest basic pay over three consecutive years. To maximize this amount, consider the timing of promotions or career changes that might increase your base pay.

For 2025, the formula for calculating your FERS annuity is:

1% of your high-3 average salary multiplied by your years of service if you retire under the regular age and service rules.
1.1% if you retire at age 62 or older with at least 20 years of service.

Knowing how this formula works lets you make informed decisions about extending your career to boost your pension. It’s also crucial to ensure all your service time is accurately credited. Reviewing your service history regularly can help identify any missing or uncredited time, which could significantly impact your annuity.

Additionally, think about timing your retirement to align with the end of the year. This strategy allows you to include a full calendar year’s salary in your high-3 calculation, potentially raising your average salary and increasing your annuity payout.

Don’t Overlook Survivor Benefits

Survivor benefits ensure that your loved ones receive a portion of your FERS annuity if you pass away. You can choose between two main survivor benefit options:

50% of your annuity: Requires a 10% reduction in your annuity.
25% of your annuity: Requires a 5% reduction in your annuity.

Selecting survivor benefits during retirement is irrevocable unless a qualifying life event occurs. Carefully assess whether you need these benefits based on your spouse’s financial situation and other sources of income.

In addition to providing financial security for your spouse, survivor benefits can also extend eligibility for health insurance coverage under the Federal Employees Health Benefits (FEHB) program. Without these benefits, a surviving spouse may lose access to this critical coverage.

Factor in the FERS Special Retirement Supplement (SRS)

If you retire before age 62 and meet certain service requirements, you might be eligible for the FERS Special Retirement Supplement (SRS). This benefit bridges the gap until you qualify for Social Security at age 62. The SRS calculation uses:

Your estimated Social Security benefit at age 62.
Your years of federal service divided by 40.

For example, if you worked 30 years in federal service, you’d receive 75% (30/40) of your estimated Social Security benefit. Note that the SRS is subject to the Social Security earnings test, so earning more than $23,400 in 2025 can reduce or eliminate this supplement.

Remember, the SRS isn’t automatically granted. You’ll need to apply for it as part of your retirement paperwork. Understanding how it interacts with other income sources can help you decide whether it’s worth retiring early or waiting until you’re fully eligible for Social Security.

Plan for Healthcare in Retirement

Healthcare costs can significantly impact your retirement budget. As a FERS retiree, you can maintain your Federal Employees Health Benefits (FEHB) coverage into retirement if:

You’ve been enrolled in FEHB for at least five years before retiring.
You’re entitled to an immediate annuity.

FEHB pairs well with Medicare when you turn 65. Combining these benefits can lower your out-of-pocket costs. While you may not need to enroll in Medicare Part B immediately, doing so can enhance your coverage.

In 2025, the standard Medicare Part B premium is $185 per month, with an annual deductible of $257. Many FEHB plans waive or reduce their deductibles and copayments if you’re enrolled in Medicare Part B. Review your options to ensure you’re not overpaying for duplicate coverage.

Dental and vision care costs can also add up quickly in retirement. While these are not covered under FEHB or Medicare, enrolling in a Federal Employees Dental and Vision Insurance Program (FEDVIP) plan can help offset these expenses.

Maximize Your Thrift Savings Plan (TSP)

Your TSP is a critical component of your FERS retirement benefits. It’s essential to:

Contribute enough to receive the full government match. For most employees, this is 5% of your basic pay.
Diversify your investments. Balancing risk and growth potential ensures long-term stability.
Consider catch-up contributions. In 2025, you can contribute an additional $7,500 annually if you’re 50 or older.

When withdrawing from your TSP, pay attention to required minimum distributions (RMDs) starting at age 73. Planning withdrawals strategically can help minimize taxes. For instance, spreading out withdrawals evenly over several years can keep you in a lower tax bracket and reduce the tax burden on your Social Security benefits.

If you’re married, consider your spouse’s financial situation when managing TSP withdrawals. Naming your spouse as the beneficiary ensures the account can be transferred tax-free in the event of your passing, providing additional financial security for your family.

Coordinate Your Benefits for Maximum Impact

Integrating your FERS annuity, TSP, and Social Security benefits creates a more reliable retirement plan. Here are some tips:

Delay Social Security: Each year you delay claiming beyond your full retirement age increases your benefit by 8% up to age 70.
Use the TSP to fill income gaps: Withdraw strategically to supplement your annuity and Social Security.
Create a budget: Understanding your expenses ensures you don’t overspend in the early years of retirement.

To make your plan more robust, consider consulting a financial planner familiar with federal benefits. They can help you develop a customized strategy that aligns with your goals, accounts for inflation, and prepares for unexpected expenses such as long-term care.

Watch Out for Common Pitfalls

Avoiding mistakes can save you stress and money in retirement. Here’s what to watch for:

Failing to plan for taxes: Your FERS annuity and TSP withdrawals are subject to federal income tax. Some states also tax these benefits.
Ignoring inflation: Over time, inflation erodes purchasing power. FERS annuities receive annual cost-of-living adjustments (COLAs), but these may not fully offset inflation.
Underestimating longevity: With increasing life expectancies, planning for 20-30 years of retirement is prudent.

Additionally, avoid withdrawing large sums from your TSP early in retirement. Doing so not only increases your tax liability but can also deplete your savings faster than expected. Consider setting up a monthly withdrawal plan to maintain a steady income stream while preserving your principal.

Building a Retirement Plan You Can Trust

A confident retirement starts with understanding your FERS benefits and coordinating them effectively. Taking the time to plan ensures you can enjoy the financial security you’ve earned through your federal service. With careful preparation, you can look forward to a fulfilling and worry-free retirement.