Max 401k Contribution 2025 Over 55. In 2025, the 401 (k) contribution limit for participants is increasing to $23,500, up from $23,000 in 2024. Discover the increased retirement plan contribution limits for 2025, including updates for 401.

For 2025, the 401 (k) limit for employee salary deferrals is $23,500, which is above the 2024 401 (k) limit of $23,000. Starting in 2025, employees can contribute up to $23,500 into their 401 (k) and 403 (b) plans, most 457 plans, and the thrift savings plan for federal employees, the irs announced nov.