2025 401k Limits Catch Up Contribution. The 401 (k) employee contribution limit for 2025 is $23,000. The 2025 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.
Contribution limits for a roth 401(k) are the same as for a traditional 401(k). The 401 (k) employee contribution limit for 2025 is $23,000.