2024 Max 401k Contribution 50 Year Olds. Learn about the 2024 contribution limits for different retirement savings plans including 401k,. The total employee contribution limit to all 401(k) and 403(b) plans for those under 50 will be going up from $23,000 in 2024 to $23,500 in 2025.

Employees can contribute up to $23,000 to their 401(k) plan for 2024 vs. Americans will be able to sock away more in their workplace.