Roth 401 K Contribution Limit 2024 Employer. Employees 50 or older can. The maximum amount you can contribute to a roth 401 (k) for 2024 is $23,000 if you're younger than age 50.
If you’re 50 or older, the limit is $8,000. 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.