401k Contribution Limits 2024 Catch Up Total Amount. According to the irs, for 2024 the 401k contribution limit is $23,000 (this an increase from the 2023 401k contribution limits of $22,500). The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.

The maximum 401 (k) contribution limits are set by the irs. Maximum salary deferral for workers: