401k Max 2024 Catch Up 2024. In 2022, the most you can contribute to a roth 401(k) and contribute in pretax contributions to a traditional 401(k) is $20,500. For 2024, the maximum you can contribute to a simple 401 (k) is $16,000.

For 2024, the maximum you can contribute to a simple 401 (k) is $16,000. The 401(k) compensation limit is $345,000.