401k 2024 Limits Over 50. For 2024, the 401 (k) annual contribution limit is $23,000, up from $22,500 in 2023. Savers will be able to contribute as much as $23,000 in 2024 to a 401(k), up from $22,500 in 2023, an increase of $500 from 2023.

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. So, for those individuals, the total 401(k) contribution cap is $30,500.