Social Security 2027 COLA Update: Millions of Social Security beneficiaries born between the 11th and the 20th of the month will see their September payment land on Wednesday, September 16, 2026, right as new forecasts push the Social Security 2027 COLA estimate to between 3.5% and 3.6%, which would mark the largest annual increase in three years. The updated projections, released this week by independent analyst Mary Johnson, The Senior Citizens League and AARP, all point in the same direction after the Bureau of Labor Statistics released August inflation data on September 11, narrowing the range just weeks before the Social Security Administration makes the number official.
If the final cost-of-living adjustment lands at 3.5% or 3.6%, it would be the highest COLA since 2023 and a meaningful jump from the 2.8% increase that took effect in January 2026. We’ll be updating this article monthly as new inflation data, payment schedules, and the official October COLA announcement are released. Below is a complete breakdown of this week’s payment date, how the 2027 COLA is calculated, what it could mean for your monthly check, and where to verify your exact numbers directly with the Social Security Administration.
Social Security 2027 COLA Update Key Highlights and Dates
| Detail | Information |
|---|---|
| September 16 Payment Recipients | Beneficiaries born between the 11th and 20th of the month |
| 2026 COLA (Current) | 2.8%, effective January 2026 |
| Latest 2027 COLA Estimates | 3.5% (TSCL, Mary Johnson) to 3.6% (AARP) |
| Average Retired Worker Benefit (July 2026) | $2,085.98 per month, per SSA data |
| Final CPI-W Data Needed | September 2026 CPI-W, releasing October 14, 2026 |
| Official 2027 COLA Announcement | Expected mid-October 2026 |
| New COLA Effective Date | January 2027 |
| SSI Federal Payment Standard (Unchanged) | $994 individual, $1,491 couple |
This Week’s Payment: Who Gets Paid September 16
The Social Security Administration does not send all payments on a single day. Instead, retirement, survivor and disability benefits go out on staggered Wednesdays based on a beneficiary’s date of birth, and this week’s date applies specifically to one group.
Beneficiaries born between the 11th and the 20th of any month receive their payment on the third Wednesday, which falls on September 16, 2026 this month. Those born between the 1st and 10th were already paid on September 9, while beneficiaries born between the 21st and 31st will receive their payment on September 23. A separate group, made up of people who started receiving Social Security before May 1997, along with anyone who receives both Social Security and Supplemental Security Income, was paid earlier on September 3. Supplemental Security Income recipients as a whole received their September payment on September 1, since that date fell on a regular weekday this year with no weekend or holiday adjustment needed.
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Social Security Payment Full Schedule September 2026
| Recipient Group | September 2026 Payment Date |
|---|---|
| Supplemental Security Income (SSI) | September 1 |
| Pre-May 1997 beneficiaries and dual SSI/Social Security recipients | September 3 |
| Born 1st through 10th | September 9 |
| Born 11th through 20th | September 16 |
| Born 21st through 31st | September 23 |
Why the 2027 COLA Estimate Keeps Changing?
The Social Security cost-of-living adjustment is not announced all at once from a single data point. Instead, the Social Security Administration calculates it using the average of the Consumer Price Index for Urban Wage Earners and Clerical Workers, or CPI-W, across July, August and September of the current year, compared to the same three months the year before. Because two of those three months are now final, forecasters have grown increasingly confident in their estimates, even though the number is not official until the September data arrives.
Earlier this year, estimates swung much higher. Mary Johnson had projected a 4.7% COLA back in June based on tariff-driven inflation concerns, before that estimate came down to 3.7% in July and then 3.4% in August as inflation moderated. This week’s release of August CPI-W data pushed her estimate back up slightly to 3.5%. The Senior Citizens League followed a similar pattern, moving from 3.8% in June and July down to 3.6% in August, before settling at 3.5% this week. AARP, meanwhile, raised its own forecast from 3.5% to 3.6% after reviewing the same August inflation figures, illustrating just how close the range has become heading into the final month of data.
What Could Still Change the Final Number?
Only one more inflation report stands between these estimates and the official 2027 COLA. The Bureau of Labor Statistics is scheduled to release September’s CPI-W figures on October 14, 2026, after which the Social Security Administration will calculate and announce the final adjustment, typically within a day or two of that release.
Energy prices are the biggest variable left in the equation. Diesel prices have climbed toward record levels in recent weeks, and because diesel powers the trucks and freight rail systems that move goods nationwide, sustained increases there tend to filter into broader consumer prices fairly quickly. If that trend continues through September, analysts say the final COLA could land closer to AARP’s 3.6% projection rather than the slightly lower 3.5% figure from TSCL and Mary Johnson. A cooling in energy costs, on the other hand, could pull the final number back down slightly.
How Much More Money Would a 3.5% or 3.6% COLA Mean?
Based on the Social Security Administration’s July 2026 Monthly Statistical Snapshot, the average retired worker currently receives $2,085.98 per month. A 3.5% increase would add roughly $73 to that monthly payment, while a 3.6% increase would add closer to $75, based on calculations from AARP’s policy team. The Senior Citizens League separately estimated that a 3.5% COLA would raise the average monthly check by about $67.90, using a slightly different baseline benefit figure in its own model.
Other benefit categories would see proportional increases as well. AARP’s analysis shows that a surviving spouse receiving an average monthly benefit of $1,933 would see roughly a $70 increase, while the average Social Security Disability Insurance payment of $1,635 would rise by about $59 a month under the same 3.6% scenario. These figures remain estimates until the Social Security Administration confirms the final percentage in October.
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Social Security 2027 COLA Estimator
Social Security · 2027 COLA Estimator
2027 COLA Benefit Increase Calculator
Enter your current monthly Social Security benefit and pick a COLA estimate to see what your January 2027 payment could look like. The final adjustment is confirmed by the Social Security Administration in October 2026.
How the COLA Also Affects Federal Retirees?
The Social Security COLA has a direct ripple effect on other federal retirement programs. Under current law, if the Social Security COLA comes in above 3%, the Federal Employees Retirement System, or FERS, cost-of-living adjustment is automatically reduced by one full percentage point. If the official 2027 Social Security COLA lands at exactly 3.5%, the FERS adjustment for the same period would work out to 2.5%. The older Civil Service Retirement System, or CSRS, uses the full CPI-based figure without that same reduction, which is one reason CSRS retirees typically see a slightly higher annual increase than their FERS counterparts.
How to Check Your Own Benefit Amount?
Beneficiaries do not need to wait for a mailed notice to see how the eventual COLA will affect their specific payment. The Social Security Administration typically posts personalized COLA notices to each beneficiary’s my Social Security online account in early December, ahead of the January payment change, and mails paper notices to those without an online account around the same time.
To check your current benefit amount, payment history, or upcoming payment dates directly, you can log in or create an account through the Social Security Administration’s official portal rather than relying on third-party estimates, since only SSA’s own systems reflect your individual earnings record and benefit calculation.
Processing Time and What to Expect After the Announcement
Once the Social Security Administration announces the official 2027 COLA in October, the new percentage does not take effect immediately. The adjustment applies starting with the payment beneficiaries receive in January 2027, which most retirement and disability recipients will see as a change in their scheduled Wednesday payment for that month, following the same birth-date-based schedule used throughout the year.
Supplemental Security Income recipients typically see their COLA-adjusted payment slightly earlier, since SSI’s January payment is often issued at the very end of December due to New Year’s Day falling on the first of the month. The Social Security Administration will publish its full 2027 payment calendar, including these adjusted dates, in the months following the October announcement.
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Payment Schedule Table for the Rest of 2026
| Month | Possible Payment Dates (by birth date) |
|---|---|
| September 2026 | 9, 16 or 23 |
| October 2026 | 14, 21 or 28 |
| November 2026 | 10, 18 or 25 |
| December 2026 | 9, 16 or 23 |
Official Resources and Verification Links
| Resource | Purpose | Link |
|---|---|---|
| my Social Security Account | Check benefit amounts, payment dates and COLA notices | ssa.gov/myaccount |
| SSA COLA Information Page | Official cost-of-living adjustment announcements and history | ssa.gov/cola |
| SSA Full 2026 Payment Schedule | Complete monthly payment calendar | 2026 Payment Schedule (PDF) |
| Social Security Retirement Estimator | Estimate your future retirement benefit | Retirement Estimator |
| Bureau of Labor Statistics CPI Data | Source inflation data used to calculate COLA | bls.gov/cpi |
| SSA Contact and Local Office Locator | Speak with a representative or find your local office | ssa.gov/locator |
FAQs About Social Security 2027 COLA Update
When will the official 2027 Social Security COLA be announced?
The Social Security Administration is expected to announce the official 2027 COLA in mid-October 2026, shortly after the Bureau of Labor Statistics releases September inflation data on October 14.
How much will Social Security checks increase in 2027?
Current estimates from AARP, The Senior Citizens League and independent analyst Mary Johnson range from 3.5% to 3.6%, though the final figure will not be confirmed until the October announcement.
Why did my Social Security payment come on September 16 instead of another date?
Payments are staggered based on birth date, and beneficiaries born between the 11th and the 20th of the month receive their payment on the third Wednesday, which falls on September 16 in 2026.
Does the COLA increase SSI payments too?
Yes. Supplemental Security Income payments increase by the same percentage as Social Security retirement and disability benefits, with the new amount typically taking effect at the end of December for the January payment cycle.
Will a higher COLA affect Medicare premiums?
Medicare Part B premium changes are announced separately and can offset part of a Social Security COLA increase for beneficiaries who have premiums deducted directly from their monthly check, so the full COLA percentage does not always translate into an equal dollar increase in take-home benefits.
Is the 2027 COLA estimate final right now?
No. The figures circulating now from AARP, TSCL and independent analysts are informed projections based on partial inflation data, not the official number, which depends on one more month of CPI-W data due in October.
What is the difference between Social Security COLA and SSI COLA?
There is no difference in the percentage; both Social Security and SSI payments receive the same annual cost-of-living adjustment, though they are issued on different dates and calculated from different base amounts.
How is the Social Security COLA calculated each year?
The Social Security Administration compares the average CPI-W reading from July, August and September of the current year to the same three months of the previous year, and the percentage change becomes the following year’s COLA.
What was the highest Social Security COLA in recent history?
Recent history’s largest increases were 8.7% in 2023 and 5.9% in 2022, both driven by unusually high inflation, compared to the 10-year average COLA of around 3.1%.
Do Social Security benefits automatically increase every year?
Yes, by law, though the size of the increase depends entirely on inflation data, and in rare years of very low or negative inflation, the COLA can be 0%.
Conclusion
This week brings both an immediate payment date and a longer-term financial signal for Social Security beneficiaries. The September 16 payment reaches those born between the 11th and 20th of the month right on schedule, while the 2027 COLA estimate has climbed to 3.5% to 3.6%, positioning next year’s increase as the largest since 2023. With only the September CPI-W report left before the Social Security Administration’s official October announcement, beneficiaries have a fairly clear picture of what to expect, though the exact percentage and dollar increase will not be locked in until then. This article will be updated monthly with the latest COLA data, payment schedules, and any changes announced by the Social Security Administration.
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