401k Contribution Limits 2024 Over 50. The contribution limit for employees who participate in 401(k), 403(b), and most 457 plans, as well as the federal government's thrift savings plan, however, will increase for 2024 to $23,000. In 2024, you can contribute up to $23,000 ($30,500 if you’re over 50).

For most 401(k) plans, the deadline to contribute is december 31, 2024. For 2024, the 401 (k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older.