2024 401k Maximum Contribution Margin. 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, the 401 (k) contribution limit for participants is increasing to $23,000, up from $22,500 in 2023.

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. The 401 (k) contribution limit is $23,000.