401k Limits 2024 Roth Contribution. The 2024 maximum contribution to a roth 401(k) 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.

Employees can contribute up to $23,000 to their 401 (k) plan for 2024 vs. Contribution limited to $7,000 plus an additional $1,000 for employees age 50 or older in 2024;