Max Roth 401k Contribution 2024 Over 50. If you're age 50 or older, you can make. The contribution limits for 401(k) accounts can vary every year.
Here are the limits for 2024 and how they compare to last year. For 2024 and 2025, you can contribute an additional $7,500 to traditional and roth 401 (k) accounts and $3,500 to a simple 401 (k).