When Will We Know the 2027 Social Security COLA?

Once a year, Social Security adjusts every beneficiary's check to keep pace with rising prices. That adjustment, known as the cost-of-living adjustment or COLA, is the single biggest change to most retirees' income from one year to the next.

The 2027 COLA hasn't been set yet, and the timeline for finding out what it will be is already underway. The final figure will give you a clearer idea of what your monthly check could look like next year and how much room you may have in your retirement plan.

What has to happen before Social Security can set the COLA

Social Security uses inflation data from July, August, and September to calculate the 2027 COLA. July's number is already in, and August's arrives on September 11, when the Bureau of Labor Statistics releases its next round of inflation data. With two months in the calculation, estimates should give you a much better idea of how large your 2027 increase could be.

The final piece arrives on October 14 with September's inflation data. Social Security will then have everything needed to calculate the official 2027 COLA, and the agency typically announces the percentage the same day. You will know how much your benefit is scheduled to increase before Medicare premiums are deducted.

Where the latest COLA forecasts put your possible increase

Current forecasts put the 2027 COLA somewhere in the low-to-mid 3% range, but there is still enough uncertainty for those estimates to move over the next two months.

The Senior Citizens League currently projects a 3.6% COLA, while AARP is closer to 3.5%. Mary Johnson estimates 3.4%, and the Committee for a Responsible Federal Budget is around 3.2%. The differences come from where each forecast expects inflation to be in August and September.

The September 11 inflation report should narrow that range by adding August's actual data. Once September's number arrives on October 14, the forecasts will give way to the official 2027 COLA.

What could reduce the increase that reaches your bank account

If Medicare Part B comes out of your Social Security check, you will not know your full 2027 increase when the COLA is announced in October. The 2027 Part B premium is typically announced in mid-November, and any increase can reduce how much of the COLA ultimately reaches your bank account.

Taxes can trim the increase further if the COLA pushes more of your Social Security into taxable territory. The federal income thresholds remain at $25,000 for single filers and $32,000 for married couples filing jointly, so a higher benefit can move you closer to those limits even if the rest of your income does not change.

Your own expenses may rise faster than the COLA

The COLA is based on a national inflation measure, so your increase may not line up perfectly with the costs you pay each month. If some of your biggest expenses rise faster than the index used to calculate the COLA, the extra money in your check may not stretch as far as you hoped.

Two retirees can receive the same percentage increase and still feel it very differently. One person may see most of the extra money go toward higher medical bills, while someone else may have more left after regular expenses.

Could the COLA announcement be delayed again?

Last year's COLA announcement arrived later than expected after a federal government shutdown delayed the September inflation report. BLS eventually released the data on October 24, allowing Social Security to announce the 2026 COLA that same day.

The delay did not affect when retirees received their increase, with the 2026 COLA taking effect on schedule and higher benefits payable in January.

Another delay is possible if something prevents BLS from releasing September's inflation report on October 14. A bipartisan funding measure passed by the Senate would keep the government funded through December 11, lowering the chance of a shutdown during the COLA calculation period, but the House still needs to approve it.

October 14 remains the scheduled date for the final inflation report and the expected COLA announcement. If the report is delayed again, your 2027 increase could still arrive on schedule even if you have to wait a little longer to find out exactly how much it will be.

What your current benefit can tell you about next year's check

You can use your current benefit to get a rough idea of what a 2027 increase might look like. If you receive $2,000 a month and the COLA ends up around 3.5%, for example, your gross benefit would rise by about $70 a month.

Try the same calculation with the benefit shown in your my Social Security account, then compare the estimated increase with any expenses you already expect to rise next year.

Your personalized Social Security notice later in the year will show your actual 2027 benefit amount, giving you a firmer number to use when you set your January budget.

Bottom line

Your 2027 COLA will be easier to plan around once the final numbers are in, but you do not have to wait until January to start thinking about what the increase could mean for your budget.

The key is to see how much your monthly check will actually increase once everything is factored in. Once you have that number, you can make the right moves with a better sense of what to expect from Social Security next year.

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