If you are watching for next year's Social Security raise, here is where things stood as of mid-July 2026: inflation is running warmer than it was a year ago, and the most widely followed independent tracker, The Senior Citizens League, currently projects a 2027 cost-of-living adjustment of 3.8%. That would beat this year's 2.8% and would be the largest COLA since the 8.7% adjustment for 2023. It is a projection, not a promise — the months that actually determine the number are only now beginning — but mid-year is when the picture starts coming into focus. Here is how the number gets set, what the latest readings say, and what a bigger COLA does and does not mean for the decision this site exists to help with: when to claim.
The formula is simpler than most people expect, and it is written into law, so there is no discretion involved. The Social Security Administration takes a specific inflation index — the Consumer Price Index for Urban Wage Earners and Clerical Workers, known as the CPI-W — and averages its readings for July, August, and September of 2026. It then compares that average to the average for July, August, and September of 2025. The percentage increase, rounded to the nearest tenth of a percent, is the 2027 COLA. If prices somehow fell over that window, the COLA would simply be zero — the formula never reduces benefits.
Notice what that means for the calendar. Only three monthly readings count, and as of late July 2026, none of them has been published yet — the July figure arrives in mid-August, August's in mid-September, and September's in mid-October. Every number you see quoted today, including the one above, is a projection built from the trend through June. That is also why the official announcement always comes in mid-October: the SSA releases the COLA the same morning the Bureau of Labor Statistics publishes the September inflation report, the last piece of the puzzle.
The most recent reading, for June 2026, put the CPI-W 3.5% higher than a year earlier. The month-to-month picture actually softened — the index declined 0.5% during June before seasonal adjustment — which is why some projections ticked down slightly in July rather than up. The Senior Citizens League, a nonpartisan seniors group whose monthly COLA estimates are the most widely cited, held its projection at 3.8% in its mid-July update, a hair below the 3.9% it published in the spring.
For context, the COLA you are receiving in 2026 is 2.8%. So the data points to a noticeably bigger raise next year, reflecting inflation that has run hotter through the first half of 2026 than it did over the same stretch of 2025. Whether the final number lands at 3.8%, or a few tenths to either side, comes down to what prices do in July, August, and September. A summer jump in gasoline or grocery prices would push it up; continued cooling like June's would pull it down.
What would 3.8% mean in dollars? On the average retirement benefit — roughly $1,940 a month in mid-2026 — a 3.8% COLA works out to an increase of about $74 a month, or roughly $885 a year. One honest caveat: for most retirees the Medicare Part B premium is deducted straight from the Social Security check, and the 2027 premium, announced separately later in the fall, will absorb some of the raise. The net increase you feel is always the COLA minus whatever Part B does.
Here is the part that trips people up every October, and it is worth getting right before the headlines arrive. A common worry goes like this: if a big COLA is coming, shouldn't I claim now so I don't miss it? The answer is no — and this comes straight from the Social Security Administration's own guidance. You become eligible for COLAs starting with the year you turn 62, whether or not you have filed for benefits. If you wait until 67 or 70 to claim, every COLA announced along the way is still applied to your benefit computation. When your first check finally arrives, it includes all of them, layered on top of the delayed-retirement credits you earned by waiting.
In other words, there is no COLA you can forfeit by waiting and none you can capture by claiming early. The 2027 adjustment will raise the age-62 path, the age-67 path, and the age-70 path by exactly the same percentage. Because every option rises proportionally, the ranking between them does not move: whichever claiming age produced the largest lifetime total for you before the announcement will still produce it after. That is why our calculator compares claim ages in today's dollars — inflation lifts all nine options together, so the comparison stays valid no matter what October brings.
If anything, a stretch of higher inflation modestly strengthens the case for patience. A larger benefit — the kind you get by claiming later — means each year's percentage COLA lands on a bigger base, and Social Security is one of the few retirement income sources that is fully indexed to inflation for life. But that is a reason to weigh your health, savings, and spousal situation carefully, not a reason to time your claim around one announcement.
Circle mid-October 2026. The Bureau of Labor Statistics publishes the September inflation report that morning, and the SSA announces the official 2027 COLA the same day. The increase shows up in the payments retirees receive starting in January 2027. Between now and then, expect the projection to wobble by a tenth or two with each monthly inflation release — August and September bring the last two pieces of data — so treat any number you read before the announcement, including the 3.8% here, as an estimate.
We will update this site's figures when the official number lands. Until then, the calculator uses the current 2026 COLA and compares claim ages in a way the COLA cannot disturb. This article reflects data published through July 20, 2026, and is general information, not financial advice.
Updated July 2026