The most consequential financial decision of most retirements is also the most misunderstood: when to start claiming Social Security. Start at 62 and your monthly benefit is permanently reduced by up to 30%. Wait until 70 and you get the largest possible monthly benefit for life. This guide explains the real tradeoffs, the math behind 'break-even' ages, and how to think about the decision.
The quick answer
You can start Social Security retirement anywhere from age 62 to age 70. Starting at 62 permanently cuts your benefit by 25-30%. Your 'Full Retirement Age' (FRA) is between 66 and 67 depending on the year you were born — that is when you get 100% of your earned benefit. Each year you wait past FRA up to 70 adds about 8% to your benefit. After 70, there is no additional gain from waiting. There is no single right answer — the best age depends on your health, finances, and life expectancy.
What 'Full Retirement Age' means
Full Retirement Age (FRA) is the age at which you receive 100% of your earned Social Security benefit. For people born 1943-1954, FRA is 66. It gradually increases for those born 1955-1959, reaching FRA of 67 for everyone born 1960 or later.
FRA is not a deadline — you can claim before or after — but it is the reference point. Your benefit is permanently reduced if you start before FRA, and permanently increased if you start after FRA, up to age 70. After 70, there is no further increase, so there is no reason to wait beyond 70.
The three main claiming choices
Age 62 (earliest)
Permanent reduction of 25-30% from your full benefit. Best for: shorter-than-average life expectancy, immediate income need, or specific tax-planning reasons. Worst for: healthy people with other income who plan to live into their 80s+.
Full Retirement Age (66-67)
Full earned benefit. Best for: those who need the income at FRA, want a middle-ground option, or want to avoid the earnings test (which only applies before FRA).
Age 70 (latest)
Maximum possible benefit, roughly 124-132% of your FRA amount. Best for: healthy people with other income to bridge the gap, those expecting longer-than-average life expectancy, married couples optimizing combined benefits.
The break-even age
A common framework is the 'break-even age' — the age at which the total benefits received under different claiming strategies become equal. For most people, claiming at 70 versus 62 breaks even around age 80-82. If you live past that, claiming later wins; if you do not, claiming earlier wins.
But break-even analysis misses an important point: Social Security is insurance against living a long time. If you have any chance of living into your late 80s or 90s, the larger monthly benefit from delaying is enormously valuable, regardless of break-even math. It is the only inflation-adjusted, guaranteed-for-life income most people will ever have.
How marital status changes the calculation
For married couples, the higher earner's claiming age affects not just their own benefit but also the survivor benefit the lower earner will receive after the higher earner dies. Delaying the higher earner's claim to 70 maximizes the surviving spouse's benefit, which often makes delaying the more valuable strategy for the household.
For divorced people who were married 10+ years, you may be able to claim on your ex-spouse's record without their knowledge or affecting their benefit. This can be valuable if your ex earned much more than you.
Frequently asked questions
What if I claim early and regret it?
You have 12 months from your start date to withdraw your application, repay any benefits received, and effectively restart the clock. After 12 months, the only option is to suspend benefits at FRA, which lets you earn delayed retirement credits until 70 but does not erase the early reduction.
Does it ever make sense to claim at 62?
Yes — for people with serious health issues affecting life expectancy, immediate financial need, or specific situations where bird-in-hand outweighs the future upside. It is not the wrong choice for everyone.
What is the earnings test?
If you claim before FRA and keep working, the SSA reduces your benefit if you earn above an annual limit. After FRA, you can earn unlimited amounts with no reduction. This is why some people work to FRA before claiming.
How do I decide what is right for me?
Use the SSA's retirement estimator at ssa.gov/myaccount, consider your health and family longevity, your other income sources, your spouse's situation, and your tax situation. For larger amounts, talking to a fee-only financial planner often pays for itself.