401k Contribution Limits 2024 After Tax Contribution Limits. For 2025, the 401(k) limit for employee salary deferrals is $23,500, which is above the 2024 401(k) limit of $23,000. $30,500 for those age 50.

The employer contribution limit also rises to $46,500, bringing the. 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.