401k Max Contribution 2024 Catch-Up Up Date. — 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. In 2022, the most you can contribute to a roth 401(k) and contribute in pretax contributions to a traditional 401(k) is $20,500.
— the 401(k) employee contribution limit for 2024 is $23,000. In 2023, this rises to $22,500.
