401k Maximum Contribution 2024 Plus Catch Up 2024. The limit for overall contributions—including the employer match—is 100%. 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.
Employees 50 or older can contribute up to $30,500 with catch. For 2024, the maximum you can contribute from your paycheck to a 401(k) is $23,000.