2024 401k Catch Up Max. For 2024, the maximum you can contribute to a simple 401 (k) is $16,000. The roth 401 (k) contribution limit for 2024 is $23,000 for employee contributions and $69,000 total for both employee and employer contributions.
Total 401(k) plan contributions by an employee and an employer cannot exceed $69,000 in 2024. Employees can invest more money into 401(k) plans in 2024, with contribution limits increasing from 2023โs $22,500 to $23,000 for 2024.