Full retirement age — FRA — is the age at which you become eligible to receive 100% of the Social Security retirement benefit you’ve earned. It’s the reference point all other claiming-age decisions are measured against. Claim earlier, you take a permanent reduction. Claim later, you earn delayed retirement credits. Knowing your FRA — and what it actually means — is the foundation of any Social Security planning.
Quick answer: what FRA is
Full retirement age is the age at which you’re entitled to your full, unreduced Social Security retirement benefit (called your Primary Insurance Amount, or PIA). It’s determined by the year you were born, and ranges from 66 to 67 for everyone currently planning for Social Security.
FRA by birth year
Congress raised the full retirement age in 1983 legislation, phased in gradually over decades:
- Born 1937 or earlier: FRA is 65
- Born 1938: 65 and 2 months
- Born 1939: 65 and 4 months
- Born 1940: 65 and 6 months
- Born 1941: 65 and 8 months
- Born 1942: 65 and 10 months
- Born 1943–1954: 66
- Born 1955: 66 and 2 months
- Born 1956: 66 and 4 months
- Born 1957: 66 and 6 months
- Born 1958: 66 and 8 months
- Born 1959: 66 and 10 months
- Born 1960 or later: 67
For practical purposes today: anyone born in 1960 or later (so anyone currently 65 or younger) has an FRA of 67.
Why FRA matters
Sets the reference point for early and delayed claiming
Claiming before FRA permanently reduces your benefit. The reduction is roughly 6.7% per year for the first three years before FRA, then 5% per year for years beyond that. Someone with an FRA of 67 who claims at 62 takes a 30% reduction.
Claiming after FRA earns delayed retirement credits at 8% per year — up to age 70. Someone with an FRA of 67 who waits until 70 receives a 24% increase.
Determines when the earnings test stops
If you claim before FRA and continue to work, the Social Security earnings test withholds part of your benefit when your wages exceed an annual limit. The earnings test ends the month you reach FRA — from that point on, you can earn any amount with no impact on your benefits.
Affects spousal benefits
Spousal benefits max out at 50% of the primary worker’s benefit at FRA. Spousal benefits don’t earn delayed retirement credits, so waiting past FRA doesn’t increase them. Claiming spousal benefits before your FRA reduces them just as it would your own benefit.
The starting point for benefit calculations
Your Primary Insurance Amount is calculated as if you claimed at FRA. All adjustments — for early claiming, delayed claiming, spousal benefits, survivor benefits — reference that PIA.
A brief history
When Social Security was created in 1935, the full retirement age was 65. It stayed there for nearly 50 years. In 1983, facing long-term funding pressure, Congress passed reforms that gradually raised the FRA to 67 for those born in 1960 or later. The phase-in ran from the 1990s through the early 2020s.
Discussions about further raising the FRA come up periodically as Social Security’s long-term financial picture is debated. As of this writing, the FRA is unchanged from the 1983 schedule, and any future changes would require new legislation.
FRA vs. Medicare eligibility
A common point of confusion: FRA and Medicare eligibility are not the same. Medicare eligibility starts at age 65, regardless of your Social Security FRA. So someone born in 1960 with an FRA of 67 is eligible for Medicare two years before they reach FRA.
This creates a practical question: do you enroll in Medicare at 65 even if you don’t plan to claim Social Security until later? In most cases, yes — missing the Medicare enrollment window can trigger lifetime late-enrollment penalties.
FRA and the “break-even age” calculation
Whenever you compare claiming earlier vs. later, the math involves FRA as the anchor:
- Claiming earlier than FRA: smaller checks, but more total months of payments
- Claiming at FRA: standard checks, baseline life expectancy assumption
- Claiming later than FRA: larger checks, but fewer total months — offset by the higher monthly amount
The break-even age — where total benefits received become equal between two claiming strategies — is typically in the early to mid 80s when comparing FRA to age 70. Someone who lives past that point ends up with more lifetime benefits from delaying.
Common mistakes
- Confusing FRA with age 65. For most people retiring today, FRA is 66 or 67 — not 65.
- Confusing FRA with Medicare eligibility. Medicare starts at 65 regardless.
- Assuming claiming at FRA is “the right age.” It’s the reference point, not necessarily the optimal claiming age.
- Forgetting the earnings test ends at FRA. Claiming early and continuing to work creates a bigger earnings-test impact than people often realize.
- Not knowing your specific FRA. The exact month and year matters for spousal benefit timing and other technical decisions.
What to do next
Find your specific FRA based on your birth year (the table above gets close; ssa.gov has the exact month and year). With FRA in mind, look at your my Social Security projected benefits at 62, FRA, and 70 — the difference between those numbers shows what early claiming costs and what delayed claiming gains. From there, your claiming decision is about your health, your other income, your spouse’s situation, and your appetite for trading current cash for higher lifetime benefits.
Further Reading
- When to Claim Social Security: 62, FRA, or 70?
- Delayed Retirement Credits Explained
- Social Security Earnings Test Explained
- Social Security at 62 vs. FRA vs. 70
- What’s the Maximum Social Security Benefit?
- The Social Security Statement: How to Read It
This article is for general educational purposes only and does not constitute financial or tax advice. Social Security rules change periodically and individual situations vary — verify current rules with the Social Security Administration (ssa.gov) or consult a qualified financial advisor before making claiming decisions.