Full Retirement Age Calculator by Birth Year (SSA)
birth date → SSA FRAFind your Social Security full retirement age (FRA) by birth year — 66 to 67, counted month by month per SSA rules — and the exact date you reach it. Includes early (62) and delayed-credit (to 70) reference points.
What Full Retirement Age Means
Full retirement age (FRA) is the age at which you receive 100% of your Social Security retirement benefit. Claim earlier and the benefit is permanently reduced; delay past FRA and you earn delayed-retirement credits.
- Born 1943–1954: full retirement age is 66
- Born 1955–1959: FRA rises 66 and 2 months, then +2 months per year, to 66 and 10 months
- Born 1960 or later: full retirement age is 67
- Earliest claim: you may start reduced benefits as early as age 62
- Delayed credit: benefits grow about 8% per year if you delay past FRA up to age 70
US-Specific Retirement Timing
The FRA schedule is set by US federal law (Social Security Act) and differs from other countries' state-pension ages:
- Month-level precision: SSA sets FRA by birth year and month, not just year — a detail generic calculators miss
- Reduced benefit at 62: claiming at the earliest age permanently cuts the monthly check (roughly 25–30% below FRA for those born 1960+)
- Delayed-retirement credit: up to age 70, monthly benefits increase for each year you wait past FRA
- Spousal / survivor rules: other family members' benefits may use a different FRA — verify on SSA.gov
Common Mistakes
Common mistakes: assuming FRA is always 65 or 66, forgetting that the FRA rises by month for birth years 1955–1959, mixing up the earliest-claim age (62) with FRA, and assuming the calculator shows your benefit dollar amount (it does not — only SSA can state your actual benefit). Use this tool to find your FRA date, then confirm the dollar figure with your SSA statement.
Tool Algorithm & Source
The calculator applies the official SSA full-retirement-age schedule:
| Birth Year | Full Retirement Age |
|---|---|
| 1943 – 1954 | 66 years |
| 1955 | 66 years, 2 months |
| 1956 | 66 years, 4 months |
| 1957 | 66 years, 6 months |
| 1958 | 66 years, 8 months |
| 1959 | 66 years, 10 months |
| 1960 and later | 67 years |
Authoritative Source & Last Updated
This tool reports only the FRA schedule published by the US Social Security Administration. It does not calculate benefit amounts.
- Source: SSA — "Full Retirement Age" (ssa.gov/benefits/retirement/planner/agereduction.html), schedule effective for 2026
- Last updated: 2026-08-07
- Not advice: This is informational only. It is not tax, retirement, or financial advice. Confirm your personal benefit with the SSA and a licensed advisor.
Frequently Asked Questions
What is my full retirement age if I was born in 1960?
If you were born in 1960 or later, your full retirement age is 67. The calculator shows the exact calendar date you reach it from your date of birth.
Can I claim Social Security at 62?
Yes. You can start receiving retirement benefits as early as age 62, but your monthly benefit is permanently reduced compared with waiting until full retirement age. The reduction is larger the earlier you claim.
What happens if I delay past my full retirement age?
For each year you delay past FRA up to age 70, your benefit grows by delayed-retirement credits (about 8% per year under current law). Benefits do not increase after age 70.
Does this tool tell me my monthly benefit amount?
No. This calculator only determines your full retirement age and the date you reach it using the official SSA schedule. Your actual benefit amount is shown on your SSA statement at ssa.gov.
Why does my full retirement age depend on my birth month?
SSA sets FRA by birth year and month for people born 1955–1959 (e.g., 66 years and 2, 4, 6, 8, or 10 months). The calculator adds those months to your birth date to give the exact FRA date.