2024 Maximum 401k Contribution Limits Over 50. These limits increase to $69,000 and $76,500, respectively, in 2024. 401(k) and 403(b) contribution limits increase.

That means a total of $30,500 can be contributed as an employee of a. For 2025, the 401(k) contribution limit for employees is $23,500, or $31,000 if you are age 50 or older.