2024 401k Maximum Contribution Amount. The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023. The 401(k) contribution limit for 2024 is $23,000.

For those 50 or older, the limit is $30,500. 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 the $22,500 limit in 2023.