401k Max Contribution 2024 Catch Up Limit. This brings the maximum amount they can contribute to. 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.

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 2024, a $500 increase from. For 2023, the roth 401(k) contribution limit is $22,500.