401k Limits 2024 Catch Up Date. Those 50 and older can contribute an additional. For 2024, the maximum you can contribute from your paycheck to a 401 (k) is $23,000.

In 2023, this rises to $22,500. 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.