2024 401k Limits Catch Up Rate. Starting in 2024, employees can contribute up to $23,000 into their 401 (k), 403 (b), most 457 plans or the thrift savings plan for federal employees, the irs. When pooled together, a worker who is 50 and older can.

In 2022, the most you can contribute to a roth 401(k) and contribute in pretax contributions to a traditional 401(k) is $20,500. The 401 (k) contribution limit is $23,000 in 2024.