2027 COLA is 3.6% for many retirees, but some feds will see a smaller adjustment All News โ Federal News Network By: Drew Friedman 14 October 2026 at 09:48 A 2027 COLA of 3.6% will be added to Social Security payments and retirement benefits in January. But FERS annuitants will see a smaller 2.6% adjustment. ยฉ Getty Images/JJ Gouinbackground, no people