401k Contribution Limits 2024 Rothwal. Contributions to your 401 (k) generally need to be made by dec. — for the 2024 tax year, you can save a maximum of $23,000 in a roth 401 (k).
— so, workers age 50 and up can contribute a maximum of $30,500 to their roth 401 (k) in 2024. — 401 (k) contribution limits 2024.