401k Contribution Limits 2024 Roth 2024. For 2024, the 401 (k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older. Workers who contribute to a 401 (k), 403 (b), most 457 plans and the federal government’s thrift savings plan can contribute up.

In 2024, you can contribute $23,000 to the roth portion of your solo 401 (k). The 401 (k) contribution limits for 2024 are $23,000 for individuals under 50, and $30,500 for those 50 and older.