Roth 401k Contribution Limits 2024 Employer Match. If you're age 50 and older, you can add an extra $7,500. The limit for employee contributions to a 401 (k) in 2024 is $23,000 for those under 50.

This amount is up modestly from 2023, when the individual 401 (k). The maximum amount you can contribute to a roth 401(k) for 2024 is $23,000 if you’re younger than 50.