Social Security for Federal Employees: When to Claim
Because FERS employees pay into Social Security, you've earned a normal benefit — and deciding when to claim it is one of the bigger money decisions of your retirement. For feds, it's tangled up with the FERS supplement ending at 62, which makes the timing question uniquely federal.
The claiming-age tradeoff
You can start Social Security anywhere from 62 to 70, and the age you choose permanently changes the amount:
| Claim at… | What happens to your benefit |
|---|---|
| 62 (earliest) | Permanently reduced — roughly 25–30% less than your full benefit |
| Full Retirement Age (67 for those born 1960 or later) | Your full, unreduced benefit |
| 70 (latest worth waiting for) | Increased by delayed retirement credits — roughly 8% more for each year past full retirement age |
There's no universally right age — it depends on your health, other income, marital situation, and how long you expect to need the money. But you should make it as a deliberate choice, with the numbers in front of you.
The federal twist: the supplement ends at 62
Here's what makes this decision different for feds. If you retired before 62 with the FERS supplement, that supplement stops at 62 regardless of what you do about Social Security. So at 62 you face a fork:
- Claim Social Security at 62 — your income continues smoothly, but at a permanently reduced benefit for life.
- Delay Social Security for a bigger benefit — you accept an income dip from 62 until you claim, which you'll need to bridge from your TSP or other savings.
That income "valley" between the supplement ending and a delayed Social Security start is exactly the kind of thing worth mapping in advance — see building your retirement paycheck.
Good news: WEP and GPO are gone
For years, the Windfall Elimination Provision (WEP) and Government Pension Offset (GPO) could reduce Social Security benefits for some federal retirees and their spouses. The Social Security Fairness Act, signed into law in January 2025, repealed both. For most FERS employees these provisions didn't apply anyway — FERS work is Social Security-covered — but the repeal especially helps those with CSRS service, CSRS Offset, or spousal/survivor benefits that were previously reduced. If you were ever told your benefit would be cut by WEP or GPO, that's worth revisiting with SSA.
Time Social Security around your federal benefits.
The FedRetireCheck Readiness Report shows how your supplement, TSP, and Social Security claiming options fit together across the years.
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