TSCL COLA Prediction of 3.5% for 2027: The TSCL COLA prediction is now final, and it says 3.5%. The Senior Citizens League announced the number after the August inflation data, a tenth of a point below its July call of 3.6%, and described it as its last forecast before the government acts. If the estimate holds, the average beneficiary the group tracks would see a monthly check rise by $67.90, from $1,940.08 to $2,007.98. The Social Security Administration will announce the official cost-of-living adjustment on October 14, the same morning the Bureau of Labor Statistics releases the September consumer price report, and the raise takes effect on January 1, 2027.
Here is the twist that most headlines miss. The September report has not landed yet, and early previews point to a sharp rise in energy prices that month. One economics firm expects overall consumer prices to jump about 0.6% in September, which would push the yearly rate to roughly 3.7% from 3.4%. The Federal Reserve Bank of Cleveland’s daily model points to a similar figure of about 3.6%. Because the COLA is the average of July, August and September, a hot September could nudge the final answer up to 3.6%. This guide explains the math, shows what each outcome means in dollars and gives you a calculator to test it. We’ll be updating this article monthly.

TSCL COLA Prediction Key Highlights
| Item | Latest detail |
|---|---|
| TSCL final 2027 COLA prediction | 3.5% |
| TSCL previous prediction (July data) | 3.6% |
| TSCL projected change in average check | $67.90, from $1,940.08 to $2,007.98 |
| July CPI-W, year over year | 3.4% |
| August CPI-W, year over year | 3.5% |
| September CPI release | Wednesday, October 14, 2026, 8:30 a.m. Eastern |
| Official COLA announcement | October 14, 2026 |
| COLA takes effect | January 1, 2027 |
| Other major forecasts | AARP 3.6%, Mary Johnson 3.5%, Kiplinger 3.6% |
What Is TSCL and How Reliable Is Its COLA Forecast?
The Senior Citizens League is a nonpartisan advocacy group for older Americans. It is not part of the government, and its number is a projection, not a promise. Each month it updates a statistical model whenever the Bureau of Labor Statistics publishes a new inflation reading, so its call can move up or down as data arrives.
The path of its 2027 forecast shows how much can change in a year. It began near 2.5% to 2.8% early in 2026, rose to 3.9% after the April report, settled at 3.8% in the spring, slipped to 3.6% in July and then to 3.5% in August. Those moves track the real story of 2026, which was an energy price spike followed by a partial cooling.
The model gets more accurate as the year goes on, because by the final month two of the three inputs are already known. That is the case now. The remaining uncertainty is only one month, and one month can only shift the three month average by a limited amount, which is why the range of plausible outcomes is narrow, roughly 3.4% to 3.7%.
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How Is the COLA Calculated? The Three Month Formula Explained
The formula is fixed in federal law. SSA takes the average of the Consumer Price Index for Urban Wage Earners and Clerical Workers, called CPI-W, for July, August and September of the current year. It compares that average with the same three month average from the year before. The percentage difference, rounded to the nearest tenth, is the COLA.
Two things follow from that design. First, a COLA is a lagging number. It captures what prices did over the summer, not what they will do next year. Second, it is a rounded number, so a tiny change in September can flip the answer between 3.5% and 3.6% when the average sits close to the rounding line.
The CPI-W is a cousin of the headline inflation number you hear on the news, but it is not the same. It tracks spending by urban wage earners and clerical workers, and it gives somewhat more weight to energy and transportation than the broader index. In August, the CPI-W rose 3.5% from a year earlier while the broader all urban figure rose 3.4%. When gasoline surges, the gap tends to widen.
What Does September Need to Do? The Math Behind 3.5% and 3.6%
You can estimate the COLA by averaging the three yearly changes. It is an approximation, because the official calculation compares index levels, but it is close enough to show the thresholds. With July at 3.4% and August at 3.5%, here is how September changes the result.
| September CPI-W, year over year | Average of the three months | Likely COLA |
|---|---|---|
| 3.2% | 3.37% | 3.4% |
| 3.4% | 3.43% | 3.4% |
| 3.5% | 3.47% | 3.5% |
| 3.6% | 3.50% | 3.5% |
| 3.7% | 3.53% | 3.5% |
| 3.8% | 3.57% | 3.6% |
| 4.0% | 3.63% | 3.6% |
| 4.2% | 3.70% | 3.7% |
The key line is the rounding boundary. September needs to come in at roughly 3.75% or higher to lift the COLA to 3.6%. It needs to stay above about 3.45% to hold the COLA at 3.5%. Below roughly 3.15%, the COLA would slip to 3.3% or lower. Those thresholds shift slightly because of the approximation, so treat them as a guide and not a guarantee.
Why the September Inflation Report Could Push the COLA Higher
Energy is the swing factor. In the August data, the energy index rose 2.1% for the month and was up 16.3% over the past twelve months, with gasoline up 27.4% over the year. Those are very large numbers, and they explain why 2026 inflation has been higher than last year’s.
For September, forecasters expect another leg up. One preview from Continuum Economics projects overall CPI rising 0.6% in the month, with energy up about 5.5%, led by gasoline. That would be its strongest contribution since a 10.9% surge in March. The same preview expects core prices, which exclude food and energy, to rise a moderate 0.2% and the yearly core rate to stay at 2.4%, the slowest in years. The headline yearly rate would bounce to about 3.7% from 3.4%, a four month high.
The Cleveland Fed’s inflation nowcast, updated September 30, shows a similar picture: a monthly rise near half a percent and a yearly headline rate around 3.6%. The model leans heavily on oil and gasoline prices, which move daily, so it can change quickly.
Now connect that to the COLA. These figures are for the broader index, not CPI-W. If the CPI-W runs a tenth or two above it, as it did in August, a September CPI-W of 3.7% to 3.9% is plausible. That would put the three month average near 3.5% to 3.6%. In other words, the TSCL COLA prediction of 3.5% looks like the central case, and 3.6% is a realistic upside risk. It would be a surprise to see anything below 3.4%.
A reminder about uncertainty. Economic previews are estimates, and gasoline prices can reverse in days. The only number that matters is the one the government publishes on October 14.
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How Much Will Your Social Security Check Rise?
TSCL uses its own average benefit of $1,940.08. The Social Security Administration’s July 2026 statistics show an average retired worker benefit of $2,085.98. Both are useful, so here is each applied to the likely outcomes.
| Final COLA | Raise on TSCL average $1,940.08 | Raise on SSA average $2,085.98 |
|---|---|---|
| 3.4% | about $66 | about $71 |
| 3.5% | $67.90 | about $73 |
| 3.6% | about $70 | about $75 |
| 3.7% | about $72 | about $77 |
AARP’s 3.6% estimate, which it translates into about $75 for the average retired worker, matches the SSA based column. TSCL’s dollar figure is lower only because it starts from a lower average.
Your own raise depends on your own benefit. A check of $1,500 would grow by about $52 at 3.5% and $54 at 3.6%. A check of $3,000 would grow by about $105 and $108. SSA rounds the new benefit down to the whole dollar.
TSCL COLA Prediction vs AARP, Kiplinger and Independent Analysts
| Forecaster | 2027 COLA estimate | Notes |
|---|---|---|
| The Senior Citizens League | 3.5% | Final prediction, down from 3.6% |
| AARP | 3.6% | Raised from 3.5% in the prior month |
| Mary Johnson, independent analyst | 3.5% | Raised from 3.4% |
| Kiplinger economist | 3.6% | Cites energy prices spreading to other categories |
| FEDweek | 3.5% | Matches TSCL |
The spread is a tenth of a point, which shows how tight the consensus has become. The disagreement is mostly about how September behaves. Groups that carry August’s data forward land at 3.5%, while those that factor in a hot September land at 3.6%.
What the Bigger Raise Means After Medicare Part B?
A headline raise is not the same as a bigger deposit. Most beneficiaries pay the Medicare Part B premium out of their Social Security check. The standard premium is $202.90 in 2026, and the 2026 Medicare Trustees Report projects $209.50 for 2027, a rise of $6.60. Private forecasters expect a figure between $215 and $219. The official number is expected in November.
On the average benefit, a $73 raise minus a $6.60 premium increase leaves about $66 to spend. If the premium reaches $219, the net drops to about $57. That is a small dent compared with this year, when the premium jumped $17.90 and took roughly a third of the average raise.
Taxes, SSI and Other Effects of the 2027 COLA
Federal tax on benefits depends on combined income, and the thresholds of $25,000 for single filers and $32,000 for joint filers have never been indexed. A larger check can push more beneficiaries over them, and up to 85% of benefits can become taxable. Supplemental Security Income recipients get the same percentage. At 3.5%, someone receiving the 2026 federal rate of $994 would see roughly $35 more, paid at the end of December because January 1 is a holiday. The SSA will also announce the 2027 earnings test limits and the taxable maximum with the COLA.
COLA Projector Calculator
The calculator attached to this article is built for this exact moment. It has three input boxes for the yearly CPI-W changes in July, August and September. July and August are already filled in. Change September to see the estimated COLA, then enter your current monthly benefit to see your raise in dollars. Buttons let you jump to common September readings, such as 3.3%, 3.5%, 3.7% and 3.9%.
It also tells you two things most calculators skip. It shows the September reading needed to move the COLA up to the next tenth of a percent, and the reading that would pull it down. That helps you judge the news as it arrives. When the BLS publishes the real September number on October 14, enter it and compare the answer with the official announcement. The tool is an approximation, and SSA’s official calculation uses index levels, so the two can differ by a tenth of a point.
2027 Social Security Increase Calculator
See your new check and how much of the raise is left after Medicare Part B. Forecasts are not official until SSA announces the COLA on October 14.
| New monthly benefit (gross) | |
| Raise per month | |
| Part B premium increase | |
| Raise left after Part B | |
| Deposit today (after Part B and tax) | |
| Deposit in 2027 (after Part B and tax) | |
| Extra cash per year |
Estimate only. SSA rounds benefits down to the whole dollar. The 2027 Part B premium is a projection, and the official figure is expected in November. Higher earners may pay an income-related surcharge on top of the standard premium.
How to Check Your Official 2027 COLA and New Benefit Amount?
You do not apply for the COLA. It is automatic for everyone who receives Social Security, SSI, survivor or disability benefits. Here is how to confirm your number.
- Watch for the SSA announcement on October 14, which will be posted on the official COLA page.
- Sign in to your my Social Security account, or create one if you have not registered.
- Turn on electronic notices. SSA begins posting COLA notices in early December.
- Open your notice and check three figures: your new gross benefit, your Medicare premium deduction and your net deposit.
- Confirm your direct deposit information and your address.
If you have not yet claimed retirement benefits, you can apply online. The COLA is applied to your benefit starting in the year you turn 62, so you do not lose raises by waiting to claim.
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Processing Time: When You Will Know Your Exact New Amount
The official percentage arrives on October 14. Individual dollar amounts take longer. SSA sends notices in December, and they appear in online accounts first. If you do not see a notice by late December, check your account or call SSA’s national number. The Medicare premium for 2027 is set separately in November, so some notices will reflect the final Part B figure only when they are issued.
Payment Schedule: When the New Check Arrives
The new amounts appear in payments received in January 2027. SSI recipients see the new rate at the end of December.
| Event | Date |
|---|---|
| September CPI report released | Wednesday, October 14, 2026 |
| Official COLA announced | October 14, 2026 |
| Medicare Part B premium expected | November 2026 |
| COLA notices begin appearing online | Early December 2026 |
| SSI payment at the new rate | Late December 2026 |
| Social Security payments, birthdays on the 1st to 10th | Wednesday, January 13, 2027 |
| Social Security payments, birthdays on the 11th to 20th | Wednesday, January 20, 2027 |
| Social Security payments, birthdays on the 21st to 31st | Wednesday, January 27, 2027 |
People who receive payments on the 3rd of the month should check the SSA calendar, since January 3 falls on a Sunday and January 1 is a holiday.
What to Do Before October 14
Plan with 3.5% and test 3.6%. Neither is official, and your budget should work at the lower number. Check your Medicare costs, because the open enrollment period from October 15 to December 7 lets you change Part D and Medicare Advantage plans, and a better plan can save more than a tenth of a point of COLA adds. Confirm your contact details with SSA, and be careful with texts or emails about the COLA. SSA does not charge for a raise, and scammers often send fake notices at this time of year.
Official Websites and Resources
| Resource | What it does | Link |
|---|---|---|
| my Social Security login and registration | Create an account, view notices, check your benefit | https://www.ssa.gov/myaccount/ |
| SSA COLA page | Official COLA history and the October announcement | https://www.ssa.gov/cola/ |
| BLS Consumer Price Index | Official CPI-W data and release schedule | https://www.bls.gov/cpi/ |
| The Senior Citizens League | Monthly COLA predictions | https://seniorsleague.org |
| Apply for retirement benefits | Start an application online | https://www.ssa.gov/apply |
| Medicare | Part B premium and plan information | https://www.medicare.gov |
| Social Security payment schedule | Find your payment date | https://www.ssa.gov/benefits/retirement/planner/paymentdates.html |
| Supplemental Security Income | SSI rates and rules | https://www.ssa.gov/ssi/ |
| IRS taxes on Social Security | Taxation of benefits | https://www.irs.gov/taxtopics/tc423 |
FAQs
What is the TSCL COLA prediction for 2027?
The Senior Citizens League predicts 3.5%. It called that its final forecast after the August inflation data.
Will the 2027 COLA be 3.5% or 3.6%?
Both are plausible. TSCL says 3.5% and AARP says 3.6%. The September inflation report on October 14 decides it.
When will the 2027 COLA be announced?
SSA will announce it on October 14, 2026, the same day the BLS publishes the September CPI report.
How is the Social Security COLA calculated?
SSA averages the CPI-W for July, August and September and compares it with the same months a year earlier, then rounds to the nearest tenth.
What was the CPI-W in July and August 2026?
The July reading was 3.4% and the August reading was 3.5% compared with a year earlier.
How much will my check go up with a 3.5% COLA?
TSCL says its average beneficiary would get $67.90 more per month. The SSA average retired worker would get about $73.
Is TSCL official?
No. It is an advocacy group that publishes projections. The only official number comes from SSA.
How accurate is the Senior Citizens League forecast?
It improves as the year goes on because more of the data is known. Its final call has typically been close to the official result, but a tenth of a point either way is common.
What could push the COLA above 3.5%?
A strong September reading, especially from gasoline. A September CPI-W near 3.75% or higher would round to 3.6%.
Will Medicare reduce my raise?
For most people, partly. The Part B premium is deducted from the check, and the projected 2027 rise is $6.60 or more.
Do I have to apply for the COLA?
No. It is automatic.
When does the new COLA start?
It takes effect in January 2027 payments, and SSI at the end of December.
Conclusion
The TSCL COLA prediction of 3.5% is the best central estimate for the 2027 raise, and it matches Mary Johnson and FEDweek, while AARP and Kiplinger sit a tenth higher. The remaining uncertainty is the September inflation report on October 14, and early previews that expect an energy driven jump make 3.6% a real possibility. Either way, retirees are looking at the largest raise in about three years, worth roughly $68 to $75 a month for the typical beneficiary before Medicare. Use the calculator to test September for yourself, plan around the lower figure, and watch your my Social Security account in December for your exact amount. We will refresh this guide as soon as the official number is published.
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