When Should You Claim Social Security? 62 vs. 67 vs. 70
62, 67, or 70 — the age you claim Social Security is one of the few genuinely permanent financial decisions most people make, and it's easy to get wrong by defaulting to whichever age feels closest without doing the math.
What claiming age actually changes
Your Primary Insurance Amount (PIA) — the benefit calculated from your lifetime earnings — is fixed once you stop working, but the age you start collecting it isn't. Claim before your Full Retirement Age (FRA) and the benefit is permanently reduced. Claim after FRA, up to age 70, and it's permanently increased. The adjustment is locked in for the life of the benefit — there's no do-over once you've claimed, short of a narrow one-time withdrawal option within the first year.
The cost of claiming early
Claiming before FRA reduces the benefit by 5/9 of 1% for each of the first 36 months early, then 5/12 of 1% per month beyond that. For someone with an FRA of 67, claiming at the earliest possible age of 62 results in a permanent reduction of about 30%. That's not a temporary penalty that fades — it's the benefit amount for as long as it's collected.
The reward for waiting
Delaying past FRA increases the benefit by 2/3 of 1% per month, or 8% per year, until age 70, when delayed retirement credits stop accruing entirely — there's no additional benefit to waiting past 70. Depending on FRA, delaying from FRA to 70 typically increases the benefit by roughly 24-32%.
Why "breakeven age" is the number that actually matters
A bigger monthly check from delaying doesn't automatically mean more total money — it depends entirely on how long the benefit is collected. The breakeven age is the point where cumulative benefits from delaying catch up to and surpass cumulative benefits from claiming early. For a typical FRA-of-67 scenario, that breakeven commonly lands somewhere in the early-to-mid 80s, though the exact number depends on the specific benefit amounts being compared.
This is a longevity bet, whether you frame it that way or not
Claiming early is, in effect, betting on a shorter collection period; delaying is betting on a longer one. Health, family longevity history, and other income sources in the meantime all factor in — someone with other retirement income who can afford to wait, and reasonably expects to live well into their 80s or beyond, tends to come out ahead by delaying. Someone who needs the income immediately, or has reason to expect a shorter collection period, may come out ahead claiming earlier despite the smaller check.
Where the actual benefit number comes from
None of this claiming-age math matters without an accurate starting number. The PIA itself is calculated by the Social Security Administration from a full lifetime earnings record — it's available on your Social Security statement through a free account at ssa.gov, and it's worth checking directly rather than estimating.
Once you have that number, the free Social Security Benefit Estimator applies the claiming-age rules above to show your benefit at any age from 62 to 70, side by side, along with the breakeven point between claiming early and delaying.
