Every year, the Social Security Administration, or SSA, examines inflation data and adjusts Social Security benefits accordingly. In short, the annual cost-of-living adjustment, or COLA, is designed to help retirees keep up with the rising cost of goods and services.

When you are on  Social Security, you can expect your retirement benefits to increase during most years. That’s because Cost of Living Adjustments (COLAs) typically happen automatically from year to year.

Social Security’s cost-of-living adjustment is expected to shrink in 2026 and could be the lowest increase seen in a decade.

The cost-of-living adjustment (COLA) applied to Social Security payments in any given year is based on CPI-W inflation from the third quarter of the previous year. In that sense, COLAs are a reimbursement mechanism to compensate retirees for the buying power benefits lost in the previous year.

Social Security’s cost-of-living adjustment (COLA) mechanism, designed to safeguard the buying power of benefits against inflation, faces challenges as inflation trends upward. The COLA for 2025, based on inflation data from the third quarter of 2024,

Social Security beneficiaries have relied on annual cost-of-living adjustments (COLAs) to maintain their purchasing power.