401k Maximum Contribution 2024 Plus Catch Up 2024. In 2024, the contribution limit for a roth 401 (k) is $23,000, plus an additional contribution of $7,500 if you are age 50 or older. The 2024 contribution limit for 401 (k) plans is $23,000, up from $22,500 in 2023.

The total employee contribution limit to all 401(k) and 403(b) plans for those under 50 will be going up from $23,000 in 2024 to $23,500 in 2025. The 401 (k) contribution limit for 2024 is $23,000.