Roth 401k Catch Up Contribution Limits 2024. For the 2017 plan year, she deferred $24,500 to the plan. The roth 401 (k) contribution limit for 2024 is $23,000 for employee contributions and $69,000 total for both employee and employer contributions.
401(k) (other than a simple 401(k)). The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.