2025 401k Max Contribution Limits Over 50. This means that your total 401 (k) contribution limit for 2025 is $30,500. The maximum amount you can contribute to a roth 401 (k) for 2025 is $23,000 if you're younger than age 50.

That means a total of $30,500 can be contributed. For 2025, the 401 (k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older.