2025 401k Limits By Age. Employees can contribute up to $23,000 to their 401(k) plan for 2025 vs. Workers who contribute to a 401 (k), 403 (b), most 457 plans and the federal government’s thrift savings plan can contribute up.
The 401 (k) contribution limit for individuals has been increased to $23,000 for 2025. For 2025, the 401(k) limit for employee salary deferrals is $23,000, which is above the 2023 401(k) limit of $22,500.