Max 401k Contribution 2024 With Catch Up Date. The base 2024 maximum 401k contribution limit for employees is $23,000 (+$500 versus 2023). The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.

Employees can contribute up to $23,000 to their 401(k) plan for 2024 vs. The total maximum allowable contribution to a defined contribution plan (including both employee and employer contributions) is expected to rise by $2,000.