2024 Max 403b Contribution Limits Over 50. Starting in 2024, employees can contribute up to $23,000 into their 401 (k), 403 (b), most 457 plans or the thrift savings plan for federal employees, the irs. Max roth 403b contribution 2024.

The maximum amount an employee can contribute to a 403 (b) retirement plan for 2024 is $23,000, up $500 from 2023. $6,500 in 2020, 2021 and 2022 ($6,000 in 2015.