2024 401k Contribution Limit. The contribution limit for employees who participate in 401k, 403b, and most 457 plans, as well as the federal government's thrift savings plan is increased to $23,000, up from $22,500. The maximum amount you can contribute to a roth 401(k) for 2024 is $23,000 if you're younger than age 50.
Employees can now defer up to $23,000 into 401 (k) plans for 2024, with an extra $7,500 for workers age 50 and older. For 2024, the contribution limits for 401 (k) plans have been increased.
