Max Catch Up Contribution 2024 Over 55. 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.

$13,500 in 2020 and 2021; The 2023 403(b) contribution limit is $22,500 for pretax and roth employee contributions.