2024 Max Roth 401k Contribution Limits. The limit for employee contributions to a 401 (k) in 2024 is $23,000 for those under 50. The base 2024 maximum 401k contribution limit for employees is $23,000 (+$500 versus 2023).
Employees can invest more money into 401(k) plans in 2024, with contribution limits increasing from $22,500 in 2023 to $23,000 in 2024. The total employee contribution limit to all 401 (k) and 403 (b) plans for those under 50 will be going up from.