Roth 401k Catch Up Contribution Limits 2025. The 401(k) compensation limit is $345,000. The most you can contribute to a 401 (k) in 2025 is $23,000, or.
The roth 401(k) contribution limits for 2023 and 2025 are the same as the pretax limit for traditional 401(k) plans. 401(k) contribution limits for 2025.