401k Limit 2024 50 Million. Someone age 50 or older can contribute an additional $7,500 (the same limit as in 2024), bringing the 2025 maximum to $31,000. The 401k contribution limits for the year 2025 are expected to see many increases in different plans including elective deferral limit to $24,000, defined contribution plan to $71,000,.

While those are the absolute maximums that can be contributed. Starting in 2025, the 401 (k) employee deferral limit will jump to $23,500, up from $23,000 in 2024.