Contribution Limits 2024 Roth 401k. The 401 (k) contribution limit for 2024 is $23,000. 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.

Employees can invest more money into 401(k) plans in 2024, with contribution limits increasing from $22,500 in 2023 to $23,000 in 2024. Roth 401 (k) contribution limits.