401k Limits 2024 Catch Up Age. In 2024, those age 50 and older are able to contribute an added $7,500 to a 403 (b) or 457 (b). The most you can contribute to a 401(k) in 2024 is $23,000, or.

This ensures that the limits remain meaningful as the cost of living. Employees can contribute up to $23,000 to their 401 (k) plan for 2024 vs.