Maximum 401k Contribution 2025 Per Person. The 401 (k) contribution limit for 2025 is $23,000. For 2025, the 401 (k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older.

For 2025, the 401 (k) limit for employee salary deferrals is $23,000, which is above the 2023 401 (k) limit of $22,500. 401 (k) contribution limits for 2025.