2024 Max Roth 401k Contribution Limits. 2024 roth 401(k) contribution limits. The new contribution limit for 401 (k)s and other workplace retirement plans in 2025 will be $23,500, up from $23,000 currently, the internal revenue service said friday.
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. The contribution limits for 401 (k) accounts can vary every year.