Social Security COLA 2027: What to Expect and How to Plan Now

Every summer, the same question lights up search engines: "What will the Social Security COLA be next year?" If you rely on Social Security — or you're planning to — the annual cost-of-living adjustment directly affects your raise.

Here's the honest state of things for the 2027 COLA as of mid-2026, how the number actually gets set, and — more importantly — how to build a plan that holds up no matter where it lands.

Updated June 2026.

First, the Honest Answer: It's Not Set Yet

The 2027 COLA has not been announced and cannot be calculated yet. Here's why.

By law, the COLA is based on the Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W), comparing the third quarter (July–September) of one year to the same quarter the prior year. The 2027 adjustment depends on July–September 2026 inflation data — which hasn't happened as of this writing.

The official timeline:

Any "2027 COLA" figure you see right now is an estimate, not the official number. Advocacy groups and analysts publish running projections through the summer, but they shift with each monthly inflation report and only firm up once the Q3 2026 data is final.

Editor's note: Be skeptical of headlines stating a precise 2027 COLA before October 2026. The Social Security Administration is the only source of the official figure, and it's mathematically impossible to know it until Q3 2026 inflation is measured.

Where the COLA Has Landed Recently

Context helps. Here are the actual adjustments from the Social Security Administration:

| 2026 | 2.8% |

The pattern is clear: the enormous post-pandemic adjustments (8.7% in 2023) have given way to more typical raises in the 2.5–3% range as inflation cooled. Unless inflation reaccelerates sharply in the third quarter of 2026, a COLA in that lower-single-digit neighborhood is the historically normal expectation — but the official 2027 figure won't be confirmed until October 2026.

What the 2026 COLA Looks Like (Your Current Baseline)

Before guessing about 2027, anchor on what you're actually receiving now. The 2026 COLA is 2.8%, effective January 2026. Per the SSA 2026 COLA fact sheet:

These are the numbers a 2027 COLA will be applied on top of. A 2.8% raise on a $2,071 benefit, for example, adds about $58/month.

The Uncomfortable Truth About COLAs

A COLA keeps benefits from losing ground to measured inflation — but it doesn't always keep up with the costs retirees actually face.

• CPI-W tracks working-age spending, which weights gasoline and electronics more heavily than the healthcare and housing costs that dominate many retirees' budgets.
• Medicare Part B premiums are often deducted directly from Social Security. In years when premiums rise faster than the COLA, a chunk of your "raise" disappears before it reaches your bank account.

In other words: treat the COLA as inflation protection, not a real raise. Planning as if it will meaningfully grow your purchasing power is a common and costly assumption.

How to Plan Smartly — Whatever the Number Is

You can't control the COLA. You can control how much your plan depends on it.

1. Don't assume large COLAs in your projections. Modeling future Social Security with optimistic raises inflates your plan. A conservative inflation assumption keeps you honest.
2. Stress-test a reduced benefit. According to the 2025 Social Security Trustees Report, the OASI trust fund is projected to be depleted in the early-to-mid 2030s, after which ongoing payroll taxes would still cover roughly 79% of scheduled benefits. Prudent plans model a potential 15–20% benefit reduction as a worst case. (More on this in when to claim Social Security.)
3. Optimize your claiming age. Delaying benefits increases them roughly 8% for each year past full retirement age up to 70 — and the COLA compounds on a larger base. This is one of the few levers fully within your control. See the best age to claim.
4. Build COLA assumptions into a real model. RetirePro lets you set your own inflation and Social Security assumptions, then runs 1,000 Monte Carlo scenarios to show whether your plan survives a future of smaller raises or reduced benefits — not just a single rosy projection.

Frequently Asked Questions

When will the 2027 Social Security COLA be announced? In mid-October 2026, after the Bureau of Labor Statistics releases final third-quarter 2026 CPI-W data. The new amount takes effect with January 2027 payments.

Will the 2027 COLA be higher or lower than 2026's 2.8%? It's impossible to know until Q3 2026 inflation is measured. If inflation stays near recent levels, another adjustment in the low-single-digit range is the historically typical outcome — but only the SSA's October 2026 announcement is official.

Does the COLA keep up with retirees' real costs? Not always. The COLA is tied to CPI-W, which reflects working-age spending patterns. Rising Medicare premiums and healthcare costs can erode the effective increase, which is why many retirees find their raise doesn't stretch as far as the headline percentage suggests.

Will Social Security still be there for me? The program is not "going bankrupt." Even under the Trustees' projection of trust-fund depletion in the early-to-mid 2030s, incoming payroll taxes would still fund roughly 79% of scheduled benefits without any reform. Planning for a possible partial reduction — not a total loss — is the realistic approach.

Want to see how a smaller COLA — or a future benefit cut — would affect your retirement? RetirePro lets you set your own Social Security and inflation assumptions, then runs 1,000 Monte Carlo scenarios to show your real probability of success. Start free, or unlock the full analysis with Pro. Stress-test your Social Security plan →

Find your optimal claiming age with our Social Security calculator, then build the full picture in the retirement calculator.