Money Social Security COLA 2024 estimate didn’t increase with CPI report. Seniors still struggle. August 10, 2023August 11, 2023Medora Lee, USA TODAYComments Off on Social Security COLA 2024 estimate didn’t increase with CPI report. Seniors still struggle. Social Security's 2024 cost-of-living adjustment (COLA) estimate is 3%, down from the four-decade high of 8.7% in 2023, as inflation eases.