Social Security and Supplemental Security Income (SSI) benefits for more than 72.5 million Americans will increase 2.5 percent in 2025. The 2.5 percent cost-of-living adjustment (COLA) will begin with benefits payable to nearly 68 million Social Security beneficiaries in January 2025. Increased payments to nearly 7.5 million SSI recipients will begin on December 31, 2024. (Note: some people receive both Social Security and SSI benefits)