Updated October 16, 2026. Quick answer: the maximum possible Social Security retirement benefit for a worker retiring at full retirement age in 2027 is $4,188 a month, up from $4,152 in 2026, per the SSA’s 2027 COLA fact sheet (announced October 14, 2026); in 2026 someone who waits until 70 could receive up to $5,181 a month, per the 2026 fact sheet. This is a different figure from the Social Security taxable maximum ($184,500 for 2026 and $192,300 for 2027, covered on this site’s separate wage-base page): that figure caps what gets taxed and counted toward your benefit, while this one is the ceiling on the benefit itself, and only the small number of earners who hit the taxable maximum every year for 35 years can reach it. The 2027 fact sheet gives the full retirement age figure only, so no 2027 age-70 maximum is stated here.
The 2026 table: the 2026 maximum Social Security benefit.
The confirmed 2025, 2026 and 2027 maximum monthly benefit
| 2025 | 2026 | 2027 | |
|---|---|---|---|
| Retiring at full retirement age | $4,018/mo | $4,152/mo | $4,188/mo |
| Retiring at age 70 | not independently confirmed this session | $5,181/mo | Not stated by SSA |
Why this figure is rare in practice
The maximum benefit is the output of the full Average Indexed Monthly Earnings / Primary Insurance Amount formula under Social Security Act §215, applied to someone who earned at or above the taxable maximum for all 35 of their highest-earning years. It moves each year for two separate reasons: the annual cost-of-living adjustment applied to existing benefits, and the wage-indexing formula applied to a new retiree’s earnings history. SSA announced the 2027 taxable wage base ($192,300) and the 2027 maximum benefit at full retirement age ($4,188 a month) together on October 14, 2026. Unlike a contribution limit, this figure depends on each new retiree’s full 35-year earnings history, not a single indexed formula input.
The rates are already settled. Only the thresholds are still moving.
That is enough to plan against. A Roth conversion, a deferred bonus or a gain taken in 2027 can be sized today against the 10%, 12%, 22%, 24%, 32%, 35% and 37% rates the statute already fixes, without waiting for the Revenue Procedure. If you want someone to price that decision against your own income rather than a projection, this is the point to ask.
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Sources
The maximum benefit and wage base figures on this page were checked against the Social Security Administration's published figures and 42 U.S.C. §415 on October 16, 2026.
- SSA Fact Sheet: 2027 Social Security Changes: 2027 maximum benefit at full retirement age.
- SSA Fact Sheet: 2026 Social Security Changes: 2026 and 2025 maximum benefit at full retirement age.
- SSA FAQ KA-01897: 2026 maximum benefit at age 62, FRA, and 70.
- Federal Register, "Cost-of-Living Increase and Other Determinations for 2026" (Docket SSA-2025-0255): the underlying 2026 COLA/wage-index determinations notice; it does not itself restate the derived maximum-benefit dollar figure, which is a separate SSA fact-sheet computation.
- 42 U.S.C. §415 (Social Security Act §215), via uscode.house.gov: the statute that defines the primary insurance amount and its bend-point formula.
Statute: Social Security Act §215 (42 U.S.C. §415).
Related
General information, not tax or legal advice. The 2027 figure on this page is the one SSA announced on October 14, 2026.