Prices keep climbing after you retire, from groceries to medical care, and a fixed income does not keep pace on its own. Social Security has a built-in fix: an annual Cost-of-Living Adjustment (COLA) tied to inflation. The important thing to understand is that a COLA protects the average price basket the government tracks, not necessarily yours, which is why your own costs can still outrun your check.

For 2026, Social Security and SSI benefits rose 2.8%, up from the 2.5% adjustment in 2025. The increase reaches more than 75 million Americans. Here is what the 2026 COLA changes and what it does not.

Cost-of-Living Adjustment (COLA) information for 2026

The 2.8% increase started with January 2026 payments to nearly 71 million Social Security beneficiaries. For the roughly 7.5 million people on SSI, it took effect on December 31, 2025. Anyone receiving both sees the adjustment on each payment.

On an average retirement benefit of about $2,000 a month, a 2.8% COLA adds roughly $56 a month, or $672 for the year. Your own raise is your benefit multiplied by 2.8%, then rounded down to the next dollar.

The maximum earnings subject to Social Security tax also rose, to $184,500 in 2026 from $176,100. If you are working while collecting benefits before full retirement age, the earnings test limits went up too:

• Under full retirement age for the whole year: you can earn up to $24,480 in 2026 before the SSA withholds $1 in benefits for every $2 over the limit.
• Reaching full retirement age during 2026: the limit is $65,160, with $1 withheld for every $3 over, counting only the months before your birthday month.
• At or past full retirement age all year: no earnings limit at all.
• Withheld benefits are not lost forever. Once you reach full retirement age, the SSA recalculates your benefit to credit back the months it withheld.

Your COLA is set by the change in the Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) from the third quarter of one year to the third quarter of the next. The 2026 figure compares July through September of 2025 with the same months in 2024. That comparison came out to 2.8%.

The part most people miss: your net raise is smaller

The COLA is announced in October, before Medicare sets its Part B premium for the same year. Most retirees have the Part B premium deducted straight from their Social Security payment, so when that premium rises, it eats into the COLA. A 2.8% gross raise can land as a noticeably smaller net increase once the new premium comes out. Check your December COLA notice for the actual deposit amount rather than assuming your check goes up by the full percentage.

Unlike most sources of retirement income, Social Security is inflation-adjusted every year through this mechanism, which is a real advantage over a fixed pension or annuity. It just tracks a national average, not your household.

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Your 2026 COLA Notice

Beneficiaries receive a COLA notice in December 2025 showing the new benefit amount and any deductions. The notice is a single page in plain, personalized language, and it is also posted in the Message Center of your my Social Security account. You can choose to be alerted by email, text, or both when it is available online.

How COLA has worked since 1975

Automatic COLAs started in 1975. Before that, raising Social Security benefits required an act of Congress each time. A 1972 amendment made the adjustment automatic and tied it to the CPI-W, introduced as part of that year’s Social Security amendments. The COLA took effect in June from 1975 to 1982, then moved to December.

Since then the adjustment has ranged from 0% in years when prices did not rise (the COLAs for 2010, 2011, and 2016) to 14.3% in 1980. Here is the full history, labeled by the year each adjustment applies to:

It can also help to see how the underlying CPI-W has moved. This table shows the average third-quarter CPI-W and the COLA that was set that autumn as a result.

For the 2026 adjustment, the average third-quarter 2025 CPI-W came in 2.8% above the third-quarter 2024 figure of 308.729, producing the 2.8% COLA. The index values come from the Bureau of Labor Statistics, and each year’s COLA reflects the increase over the prior year’s third quarter.

What the 2026 COLA means for you

The 2.8% COLA gives beneficiaries a modest bump to keep up with the national cost of essentials like food, housing, and healthcare. It is a genuine strength of Social Security compared with income sources that never adjust. But two things temper it: the raise tracks an average basket that may not match your personal inflation rate, and a rising Medicare Part B premium can absorb part of it before it reaches your bank account.

Whether you are already collecting or still deciding when to claim, knowing how the COLA works, and how it interacts with taxes on your benefits, helps you plan around a number that changes every year. Consider talking with a Certified Financial Planner to build a strategy that does not depend on any single year’s adjustment.

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