2025 Max 401k Contribution Amount By Age. Most of those 50 and older will be able to add another $7,500 — the. Savers will be able to contribute as much as $23,500 to a 401(k) in 2025, up from $23,000 in 2024.

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. You’ll be able to contribute an additional $500 in 2025.