Irs 401k Limits 2024 Total. 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. In 2023, the most you can contribute to a roth 401(k) and contribute in pretax contributions to a traditional 401(k) is $22,500.
401 (k) contribution limits for 2024. $19,500 in 2020 and 2021 and $19,000 in 2019), plus $7,500 in 2023;