401k 2024 Maximum. In 2024, the contribution limit for a roth 401 (k) is $23,000, plus an additional contribution of $7,500 if you are age 50 or older. The 401 (k) contribution limit is $23,000 in 2024.

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. Savers will be able to contribute as much as $23,000 in 2024 to a 401(k), up from $22,500 in 2023, an increase of $500 from 2023.