2024 Max Roth 401k Contribution Limits. See the limits for traditional 401(k)s, roth 401(k)s, employer contributions, and profit sharing. 401(k) employee contribution limits increase in 2024 to $23,000 from $22,500 in 2023.

The 2024 maximum contribution to a roth 401(k) is $23,000. The 401 (k) contribution limit for 2024 is $23,000 for employee contributions, and $69,000 for the combined employee and employer contributions.