What a 2.5% COLA Means for Social Security, and Why It’s Not the Whole Story

Millions of Americans received a 2.5% cost-of-living adjustment (COLA) to their Social Security benefits in January 2025, helping retirees and beneficiaries keep pace—at least in theory—with rising prices. And based on current inflation trends, the COLA for 2026 may land at the same level, according to new estimates from The Senior Citizens League.

That projected 2.5% adjustment is slightly above last month’s forecast (2.4%) and would be considered “about average” historically, according to industry experts. The official 2026 COLA won’t be announced until October, once the government finalizes third-quarter inflation data.

But while the number itself is easy to headline, the story behind it is more complex.

How the COLA Is Calculated

The annual COLA is designed to help Social Security payments keep up with inflation. It's based on a specific government metric: the Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W). If that index goes up, so do benefits.

As of May, the CPI-W was up 2.2% year-over-year, suggesting a moderate inflationary environment. The broader Consumer Price Index (CPI) showed a 2.4% annual rate, slightly below expectations, meaning recent inflation pressures appear to be easing, at least for now.

That said, estimates can still shift over the summer. Some analysts note that former President Trump’s tariff policies, if reinstated, could add price pressure in late 2025, potentially nudging the final COLA higher. Others have pointed to recent changes in the way the Bureau of Labor Statistics collects inflation data, including greater reliance on modeling due to federal workforce reductions, as a factor that could influence future readings.

These discussions remain speculative for now. The tariff effects, in particular, have shown limited near-term impact on inflation measures. Still, they’re a reminder of how political and structural forces can quietly shape something as personal as your monthly benefit check.

Why COLA Matters, But Isn’t Always Enough

At first glance, an automatic cost-of-living adjustment sounds like a straightforward fix. Prices rise, your benefit rises too. But in reality, COLA is an imperfect shield against rising costs, and there are several reasons why:

The CPI-W doesn’t reflect senior spending habits: This index was designed to track inflation for working-age Americans, not retirees. It tends to underweight expenses like healthcare, housing, and prescription drugs—core budget items for most seniors.
Retiree inflation often feels higher: According to The Senior Citizens League, 80% of seniors say their personal inflation rate in 2024 felt higher than 3%, well above the government’s official figures.
COLA lags real-time expenses: The calculation is backward-looking, based on third-quarter data from the previous year. That means retirees often feel the pinch months before any benefit increase kicks in.
Tax brackets and Medicare premiums still shift: Even when benefits go up, retirees may face higher Medicare costs or move into less favorable tax situations, which can eat into the value of the COLA.

What Can Retirees Do? Planning Around COLA’s Limits

While we can’t control how the COLA is calculated, or how inflation behaves, there are ways to build a more resilient retirement income plan:

Stress-test your budget

Even if your Social Security check goes up, your real-world costs might rise faster. Revisit your spending plan annually to see where pressures are building (e.g., housing, insurance, medical expenses).

Model conservative COLAs

When projecting retirement income, it’s often wise to assume smaller COLA increases than the historical average. This adds a cushion in case future adjustments fall short of actual inflation.

Diversify your income sources

Relying too heavily on Social Security exposes you to the limitations of the COLA formula. Retirement plans, annuities, and other income strategies can provide more control and flexibility. Consider healthcare inflation separately

Medical costs often rise faster than general inflation. Factor this into your planning with tools like long-term care strategies or health savings accounts (HSAs) if you're still working.

Bottom Line

A 2.5% COLA in 2026 would provide meaningful support to millions of Social Security recipients, but it shouldn't be confused with a full inflation safety net. The way inflation is measured, the timing of the COLA, and the changing economic environment all influence what that adjustment really delivers in everyday life.

Retirement planning shouldn’t rely on a government formula alone. At Hanover, we help clients create retirement income strategies that account for rising costs, unpredictable markets, and the nuances of Social Security.

If you're wondering whether your plan can weather the next round of inflation—real or modeled—we’re here to help you take a closer look.