What Is The 401k Catch Up Limit For 2024. 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 announced nov. This amount is an increase of $500.
That limit also applies to 457, 403(b) and the federal government’s thrift savings. In 2024, the limit is $23,000, increasing to $23,500 in 2025.