2024 401k Catch Up Max Contribution. 2024 401k max catch up contribution. The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.
Those 50 and over can contribute an additional $3,500 for a maximum contribution of $19,500. Employees can contribute up to $23,000 to their 401(k) plan for 2024 vs.