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Social Security’s cost-of-living adjustment (COLA) increases retirement and SSDI benefits, and raises SSI’s federal payment standard. The latest announced adjustment is 3.6% for 2027: Social Security benefits with that increase begin with December 2026 benefits, paid in January 2027; the higher SSI federal payment level applies for January 2027, with that month’s payment normally arriving at the end of December. Your own net increase can differ because of benefit calculations, countable income, deductions, offsets and rounding.
What is the latest Social Security COLA?
The Social Security Administration (SSA) has announced a 3.6% COLA for 2027. It applies to Social Security benefits beginning with the December 2026 benefit, which is paid in January 2027. SSI’s federal payment levels rise for January 2027; because January 1 is a holiday, that payment is normally issued at the end of December 2026. See SSA’s latest COLA announcement for the official determination.
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Keep the adjustment years straight: the 2026 COLA was 2.8%, and it affected benefits payable in 2026. SSA announced it in October 2025. The 3.6% figure is the 2027 COLA, not an increase to 2026 benefits. SSA said the 2.8% adjustment would reach nearly 71 million Social Security beneficiaries in January 2026 and nearly 7.5 million SSI recipients beginning December 31, 2025. Those figures describe the 2026 adjustment, not the number of people receiving the 2027 increase. SSA’s 2026 COLA announcement has the earlier-year details.
The 2027 calculation compares average CPI-W for the third quarter of 2026, 328.746, with the previous COLA base: the third-quarter 2025 average of 317.265. SSA reports the change rounded to the nearest tenth of a percent. These are national index figures, not a measure of how much an individual household’s expenses rose.
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How does the COLA calculation work?
The COLA is tied by law to the average Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) for July, August and September—the third quarter. SSA compares that average with the third-quarter average from the last year a COLA took effect. The Bureau of Labor Statistics produces the CPI-W; SSA determines and announces the Social Security adjustment using the statutory formula. If the comparison does not show an increase, there is no COLA for that period. SSA explains the formula and current determination.
Because the measure is national and formula-based, it does not track every recipient’s personal costs. Your rent, medical expenses, local prices or household budget do not enter an individual COLA calculation. Everyone in the covered programs gets the adjustment under the applicable program rules, but the dollars added to a check—and the amount left after deductions—depend on that person’s benefit and circumstances.
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No. Retirement and SSDI benefits receive the Social Security COLA through the Social Security benefit calculation. SSI’s federal payment standard rises as well, but SSI payments are generally reduced by countable income, and some states provide supplements. The timing and the calculation that determines each person’s payable amount are therefore not identical.
| Benefit | What the COLA changes | When the increase is reflected | What can affect the amount received |
|---|---|---|---|
| Retirement | The benefit calculation, including the primary insurance amount (PIA) | The December 2026 benefit, paid in January 2027 | Retirement timing factors, deductions or offsets, and rounding |
| SSDI | The Social Security disability benefit | The December 2026 benefit, paid in January 2027 | Calculation details, deductions or offsets, and rounding |
| SSI | The federal SSI payment standard | The January 2027 payment, normally issued at the end of December 2026 | Countable income and any applicable state supplement |
The table describes the announced 2027 timing. Social Security’s payment date is tied to the benefit month, while SSI’s January payment is normally sent early because January 1 is a holiday. An early SSI deposit is still the January payment, not an extra December benefit.
How much will my Social Security check go up with the COLA?
A 3.6% COLA does not mean every recipient gets the same dollar increase. As a simple illustration of the percentage alone, 3.6% of a $1,000 amount is $36, and 3.6% of $2,000 is $72. Those examples are not forecasts of a person’s deposit: SSA applies the adjustment within the benefit calculation, and deductions or other rules may change the net result.
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For retirement benefits, SSA first applies the COLA to the primary insurance amount, then accounts for the person’s early- or delayed-retirement factor and other applicable steps, deductions or offsets, and rounding. The result can differ slightly from multiplying the current check by the headline percentage. SSA’s COLA application example explains the sequence.
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To find your own updated amount, use the benefit notice SSA sends or check your my Social Security account. A general percentage or a published average cannot account for your individual benefit record and deductions.
How does the COLA affect SSI payments?
The COLA increases SSI’s federal payment standard, which is the maximum federal amount before reductions for countable income. It does not guarantee that every recipient receives the new maximum. SSA lists the 2026 maximum federal SSI payment as $994 per month for an eligible individual and $1,491 per month for an eligible couple. These are 2026 amounts; they are not the 2027 maximums. The current-year figures are on SSA’s SSI federal payment amounts page.
Actual SSI payments can be lower because of countable income. Some states also supplement federal SSI, so the total a person receives may include a state amount. The federal standard alone does not tell you what a particular SSI recipient will be paid, and the figures above should not be used to infer the 2027 federal maximum.
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For an SSI recipient, the practical question is not simply “What is 3.6% of my check?” Instead, identify the new federal standard, then look at how SSA evaluates countable income for the payment month and whether a state supplement applies. A change in income or living circumstances can alter the payable amount independently of the annual COLA.
Why can the deposit increase by less than the announced percentage?
The announced COLA describes the adjustment under program rules, not a promise that every net deposit will rise by precisely that percentage. In retirement, the calculation sequence and rounding can make the benefit’s change differ slightly from a direct multiplication. Offsets or deductions can also affect the amount that reaches the recipient.
Medicare premiums are another possible factor: a Medicare Supplementary Medical Insurance premium can be subtracted during benefit calculation. As a result, a gross benefit increase may not match the net change in a deposit. The available figures do not establish a 2027 Medicare premium, so do not use a premium estimate to calculate a 2027 net payment.
SSI has a different issue: the federal standard rises, but countable income generally reduces the payable amount. A state supplement may also affect the total. These rules explain why two people covered by the same announced COLA can see different dollar changes.
A practical way to estimate and verify your change
- Identify the benefit month. The 3.6% adjustment starts with December 2026 Social Security benefits, while the SSI standard changes for January 2027.
- Start with the gross amount, not the deposit. A rough illustration multiplies a gross Social Security amount by 1.036, but the official calculation and rounding control the actual figure.
- Account for program-specific rules. Retirement factors, SSDI benefit calculations, SSI countable income, offsets and applicable supplements can all change the payable amount.
- Check deductions. Medicare or other deductions can reduce what reaches your bank account even when the gross benefit rises.
- Confirm the final number. Compare the SSA COLA notice with your my Social Security account and your first statement showing the adjusted payment. Contact SSA if the notice and deposit do not match.
This process avoids a common mistake: applying 3.6% to a net deposit and assuming the result must equal the next deposit. The headline rate is a useful starting point, not a substitute for the individual notice.
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What happens to SSDI when it converts to retirement benefits?
SSA says SSDI automatically converts to retirement benefits when the beneficiary reaches full retirement age, and the benefit amount remains the same at conversion. The COLA applies to SSDI benefits before that transition, and Social Security retirement benefits also receive COLAs. The conversion does not mean a person should assume the 3.6% increase is a separate bonus on top of the COLA: it is the annual adjustment to the covered benefit, subject to the ordinary calculation and payment rules. SSA’s disability-benefit guide covers the transition and benefit rules.
When will the adjusted payments arrive?
For the 2027 COLA, Social Security retirement and SSDI benefits reflect the increase starting with the December 2026 benefit, normally paid in January 2027. SSI’s increased federal standard applies to the January 2027 payment, which is normally issued at the end of December 2026 because January 1 is a holiday. That difference in payment calendars can make it look as if SSI’s increase arrives before the Social Security increase, even though the changes correspond to different benefit months.
For comparison, the prior 2.8% adjustment was reflected in Social Security benefits payable in January 2026. SSA said SSI recipients would receive the higher payment beginning December 31, 2025. Always use SSA’s notice or account for your own amount and payment information rather than treating a group estimate or headline COLA as a personal payment schedule.
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- Confusing announcement year and payment year: the 2.8% COLA was for 2026, while 3.6% is for 2027.
- Treating SSI’s early January payment as an extra check: the late-December deposit is the January payment moved because of the holiday.
- Assuming the SSI maximum is universal: $994 and $1,491 are 2026 federal standards, before countable-income reductions and any state rules.
- Using an average as a personal estimate: SSA’s retirement and disabled-worker averages describe groups, not an individual’s record.
- Ignoring gross-versus-net differences: deductions, premiums, offsets and rounding can change the amount deposited.
Where to get broader benefit information
SSA’s online handbook remains the authoritative free reference for Social Security programs; SSA says it is no longer available in paper format. A commercial option, Social Security Handbook 2026: Overview of Social Security Programs, Large Print Edition from Bloomsbury, covers retirement, disability, SSI and Medicare more broadly. The publisher states that the information is available free at SSA.gov and that its book is not approved, endorsed or authorized by SSA. It is supplementary reading, not a replacement for an SSA notice or account.
Frequently Asked Questions
Does the COLA change my state SSI supplement too?
A state supplement is separate from the federal SSI payment standard, and the available federal figures do not establish how a particular state adjusts its supplement. Check with the state agency that administers the supplement rather than assuming the federal COLA determines the state portion.
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Where can I see my personal COLA amount?
Check the COLA notice SSA sends or sign in to your my Social Security account. Those sources reflect your own benefit record; averages and examples published for a group cannot determine your individual net payment.
Does the COLA use my personal inflation rate?
No. The formula uses the national CPI-W third-quarter average specified by law, not an individual’s spending, location or household budget. That is why a personal increase in expenses can be higher or lower than the COLA.
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Is the 3.6% increase for 2026 or 2027?
It is the COLA for 2027. It applies to Social Security benefits beginning with December 2026 benefits, paid in January 2027, and to the SSI federal standard for January 2027. The 2026 COLA was 2.8%.
Why did my SSI payment arrive in December?
January 1 is a holiday, so SSA normally issues the January SSI payment at the end of December. The early deposit is still the January payment and is not an additional December benefit.
The Bottom Line
The 2027 Social Security COLA is 3.6%. Retirement and SSDI benefits use the Social Security adjustment beginning with December 2026 benefits paid in January 2027; SSI’s federal standard rises for January 2027, usually paid in late December. Your exact increase depends on the program calculation, income, deductions, offsets, premiums, rounding and any state supplement, so confirm it in your SSA notice or my Social Security account.
