After Tax 401k Contribution Limit 2024. In 2023, this rises to $22,500. This year, defined contribution plans got a historic contribution limit.

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.