2024 401k Catch Up Contribution Limits 2024. For 2024, the 401 (k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older. In 2024, the 401 (k) contribution limit for participants is increasing to $23,000, up from $22,500 in 2023.

This is an increase from the 2023 limit of $22,500. That means a total of $30,500 can be contributed.