Yes, a pension loses real value when its COLA falls below inflation. COLA, or cost-of-living adjustment, is the yearly increase meant to keep your check matched to prices, so a smaller increase buys less each month. The gap may look small in one year. It builds over time and hits fixed checks hardest, while even indexed benefits can lag living costs.
Table of Contents
- Why does a smaller COLA cut buying power?
- How is your Social Security COLA set?
- Which pensions fall behind fastest?
- How can you offset the gap?
Why does a smaller COLA cut buying power?
A fixed private pension keeps the same nominal check for life. Wealth Enhancement explains that its real purchasing power then falls every year prices rise, with no automatic recovery. A 1-point shortfall still leaves you paying full prices.
You cover the difference from savings or spending cuts, and next year's COLA applies to buying power you already lost. The math compounds fast. According to Wealth Enhancement's analysis of pension inflation, about 3% yearly inflation cuts a fixed pension's real value roughly in half over 25 years.
How is your Social Security COLA set?
The Social Security Administration sets its annual COLA from the CPI-W, as described in the agency's COLA information for 2026. It averages July-September CPI-W against the same quarter in the prior COLA year and pays the percentage increase. That formula can trail what retirees feel.
The CPI-W tracks urban wage and clerical households, while the Bureau of Labor Statistics notes its experimental CPI-E for Americans 62 and older gives health care much more weight. For 2026, Financial Advisor Magazine reporting the SSA announcement puts the COLA at 2.8%, up from 2.5% for 2025, in coverage of the 2026 COLA bump. The report says the average retired-worker benefit rises about $56 to about $2,071 monthly.
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Which pensions fall behind fastest?
Private pensions without any COLA fall behind every year prices rise. Federal FERS pensions have partial protection with a firm cap. Government Executive reporting OPM rules describes a capped diet COLA in its report on 2026 federal retiree COLAs.
Inflation of 2% or less gets the full CPI-W, inflation of 2% to 3% pays a flat 2%, and inflation above 3% pays CPI-W minus one point. That rule turned 2.8% inflation into a 2.0% FERS increase. The Senior Citizens League's 2026 Loss of Buying Power study shows the wider risk, finding a 13.7% loss since 2016 and benefits worth about 83.6 cents per 2016 dollar.
How can you offset the gap?
Start by naming your COLA type. Check whether your benefit is fixed, fully indexed, or capped, then compare last year's increase with your own food, housing, and medical costs.
Bring that one-page comparison to your plan administrator or financial adviser. Ask what mix of savings, Social Security timing, and spending keeps your essential bills covered if the shortfall repeats.
- Track your personal inflation for three months
- Ask your plan for the exact COLA formula and cap
- Delay extra withdrawals after a low-COLA year when possible
- Fill a lasting gap with work, guaranteed income, or lower fixed costs
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