Opm Pension Cola 2024. The largest federal retirement cola in four decades will be paid in january, 8.7 percent for those retired under csrs and 7.7 percent for those retired under fers. If the retirement annuity did.

Csrs cola and fers cola. Jack’s fers annuity is eligible for a 2.2 percent fers cola, starting with his january 1,2024 monthly annuity check.