Roth 401k Limits 2024 Income. 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. For 2024, the limit is $23,000, or $30,500 if you're 50 or older.

Learn more about changes to 401(k) and roth ira contribution limits. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit will go up to $23,000 in 2024.