2025 401k Max Limits By Age. 2024 2025 401k/403b/457/tsp elective deferral limit. For 2025, employees can defer $23,500 into 401(k) plans, plus an extra $7,500 for.
That means anyone who meets the age requirements can contribute a total of $31,000 to their workplace retirement plan. The 401k contribution limits for 2025.