Limits For 401k Contributions 2025 Married. — here's how the 401(k) plan limits will change in 2025: — the maximum amount you can contribute to a 401 (k), traditional or roth, in 2025 is $23,000, or $30,500 if you are 50 or older.
For 2025, the 401 (k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older. This amount is up modestly.