2024 Contribution Limits 401k And 403b.  — the 401k/403b/457/tsp contribution limit is $23,000 in 2024.  — for 2024, the employee contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.

Those 50 and older can contribute an additional $7,500. In this guide, we discuss the 2024 limits.