Roth 401 K Income Limits 2024 Employer Match. 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 limit on employer and employee contributions is $69,000.

That increases to $23,000 in 2024. Roth 401(k)s have a much higher contribution limit than roth iras.