Social Security Optimization Calculator
Find the claiming age that maximizes your lifetime Social Security income — and see exactly how much each year of delay is worth.
Questions this answers — what you can actually figure out
- When should I claim Social Security — 62, 67, or 70?
- How much extra per month do I get by waiting until 70?
- What's the break-even age for delaying vs claiming early?
- Should I claim at 62 and invest the payments instead?
- How does my spouse's benefit shape our optimal strategy?
- Will delaying protect my spouse's survivor benefit?
Your profile
Monthly benefit at FRAYour estimated benefit at Full Retirement Age (67 for those born 1960 or later). Find this on your Social Security statement at ssa.gov or create an account at my.ssa.gov.
Life expectancyThe single biggest driver of which claiming age is optimal. The longer you live, the more delaying pays off. The break-even for claiming at 70 vs 62 is typically around age 80-81.
Still working / planning to work until claiming?
Spousal benefits
Spousal benefitA spouse can claim up to 50% of your Full Retirement Age benefit, even with little or no work history of their own. This is automatic — they receive whichever is higher, their own benefit or the spousal benefit.
Survivor benefitWhen one spouse dies, the survivor receives 100% of the higher earner's benefit. This makes the higher earner's claiming decision especially important — delaying to 70 maximizes the survivor benefit for life.
Include spouse?
Assumptions
COLA (Cost of Living Adjustment)The annual increase Social Security applies to benefits. The historical average is around 2.5%. A higher base benefit from delaying means every future COLA increase is worth more in dollar terms.
Investment returnUsed to model the opportunity cost scenario: if you claim early and invest the payments at this return rate, does that strategy eventually outperform waiting? Most analyses find you need 7-8% to beat delaying to 70.
Social Security Optimization — Results Summary
Recommended strategy
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Calculating...
Claim at 62
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70% of FRA benefit
Lifetime to age 85:
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Claim at 67 (FRA)
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100% of FRA benefit
Lifetime to age 85:
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Claim at 70
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124% of FRA benefit
Lifetime to age 85:
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Chart view
Claim at 62
Claim at 67 (FRA)
Claim at 70
Claim 62 + invest
Frequently asked questions
Because the math rewards it for most people. Each year you delay past Full Retirement Age earns an 8% permanent increase to your benefit — a guaranteed return very few investments match. Combined with COLA on a higher base, delaying to 70 wins on lifetime dollars if you live past about 80-81. The recommendation flips to claiming earlier only when your life expectancy is below the break-even age, or when you have health, financial, or family-history reasons to expect a shorter life.
If you die before the break-even age — typically around 80-81 for age-70 vs age-62 — claiming at 62 ends up collecting more total dollars. That said, the break-even calculation ignores a critical factor: survivor benefits. If you're married and earned more than your spouse, your delayed benefit becomes their survivor benefit for the rest of their life. That insurance value often justifies delaying even when your own break-even is uncertain.
Almost never beats delaying to 70 at realistic returns. The orange dashed line on the chart simulates this scenario: invest every payment from 62 to 70, then start consuming the age-70 benefit while the portfolio keeps growing. To beat waiting to 70, you typically need sustained returns above 7-8% net of fees and taxes, which is aggressive for someone in their 60s. You also give up the longevity insurance that Social Security uniquely provides — an investment portfolio can run out; Social Security cannot.
COLA compounds in your favor when you delay. The annual cost-of-living adjustment is applied as a percentage of your current benefit, so a higher base benefit from delaying produces a bigger dollar increase every single year — for life. At a historical 2.5% average COLA, the dollar gap between age-62 and age-70 benefits widens by hundreds of dollars per year as time passes. The break-even age would be later without COLA, not earlier.
Two rules drive couple strategy. First, the spousal floor: a lower-earning spouse can claim up to 50% of the higher earner's Full Retirement Age benefit, regardless of their own work record. Second, the survivor benefit: when one spouse dies, the survivor receives 100% of the higher earner's benefit (whichever spouse's benefit is larger, the survivor keeps). The optimal split is usually for the higher earner to delay to 70 (maximizing the survivor benefit) and the lower earner to claim at or near FRA. Toggle "Include spouse" to model your specific situation.
For anyone born in 1960 or later, FRA is 67. If you were born between 1955 and 1959, your FRA is between 66 and 2 months and 66 and 10 months — close enough to 67 that the calculator's recommendations stay directionally correct, but your exact benefit amounts will differ slightly. The SSA's official benefit estimator at my.ssa.gov uses your exact birth year and earnings history.
Several real-world factors that can shift the optimal claiming age: federal and state taxation of benefits (up to 85% of SS income is federally taxable), the Social Security earnings test if you claim before FRA and keep working, Medicare Part B and IRMAA premium surcharges (which are tied to your AGI and may rise if you take large IRA withdrawals before claiming), WEP and GPO offsets for those with pensions from non-covered employment, and any future legislative changes to the program. The recommendation is a starting point, not the final answer. Run the numbers, then consult a fee-only advisor or the SSA before locking in a date.
This calculator is for educational and informational purposes only and does not constitute financial, tax, or legal advice. Social Security benefit calculations are simplified estimates. Actual benefits depend on your full earnings history, the SSA benefit formula, taxation of benefits (up to 85% of SS income may be taxable), Medicare premium offsets, and other factors not modeled here. The Full Retirement Age of 67 applies to those born in 1960 or later. Consult the SSA website (ssa.gov) or a qualified financial advisor before making claiming decisions. Sources: Social Security Administration benefit rules and claiming age reduction/credit factors; COLA historical average per SSA; break-even methodology from financial planning literature.
Marty Math by MartinGoetzinger.com
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