2024 Roth 401k Catch Up Contribution Limits. Total 401(k) plan contributions by an employee and an employer cannot exceed $69,000 in 2024. The limit on employer and employee contributions is $69,000.
This is an extra $500 over 2023. The 401 (k) contribution limit for 2024 is $23,000 for employee contributions, and $69,000 for the combined employee and employer contributions.