Roth 401 K Contribution Limit 2024 Over 65. 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. The 401(k) contribution limit is $23,000.

2024 roth 401(k) contribution limits. Unlike roth iras, roth 401 (k)s don’t have income limits.