401k Catch Up 2024 Roth Contribution Limits. For 2024, the maximum you can contribute to a simple 401 (k) is $16,000. This is an extra $500 over 2023.
As kiplinger has reported, if you are younger than 50, the maximum amount you can contribute to a roth 401(k) for 2024 is $23,000. Specifically, individuals who are at least 50 years old and earning.