401k Limits 2024 Over 50. Employees can contribute up to $23,000 to their 401(k) plan for 2024 vs. Workers who contribute to a 401 (k), 403 (b), most 457 plans and the federal government’s thrift savings plan can contribute up to $23,000.

In 2023, the limits were $66,000, or $73,500 for people 50 and older. Those 50 and older will be able to add.