Roth 401k Contribution Limits 2024 Over 50. If you're age 50 or older, you can make an. 401(k) contribution limits and deadlines.
Those 50 and older can contribute an additional $7,500. In 2023, the most you can contribute to a roth 401(k) and contribute in pretax contributions to a traditional 401(k) is $22,500.