Max 410k Contribution 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. Employees can invest more money into 401(k) plans in 2024, with contribution limits increasing from 2023’s $22,500 to $23,000 for 2024.

Workers who contribute to a 401 (k), 403 (b), most 457 plans, and the federal. In 2023, this rises to $22,500.