2025 Cost-of-Living Adjustment (COLA) changes The Social Security Administration announced a 2.5 percent boost to monthly Social Security and Supplemental Security Income (SSI) benefits for 2025, another rate drop versus last year’s increase of 3.2 percent. The increase is based on the rise in the Consumer Price Index over the past 12 months ending in September 2024. For those contributing to Social Security through wages, the potential maximum …