2024 401k Maximum Contribution Limits 2024. The irs has officially announced the 401k and ira contribution limits for the year 2024. Workers who contribute to a 401 (k), 403 (b), most 457 plans and the federal government’s thrift savings plan can contribute up.

401 (k) contribution limits in 2023 and 2024. Employees can invest more money into 401(k) plans in 2024, with contribution limits increasing from 2023’s $22,500 to $23,000 for 2024.