2024 401k Limits And Catch Up Limits Over 50. In 2024, the maximum 401(k) contribution limit is $23,000 for people under the age of 50. In 2024, you’re able to contribute an additional $7,500 to a 401 (k) each year, so long as you’ve made your contributions by the end of the calendar year.

This number only includes personal contributions —. This amount is up modestly from 2024, when the individual 401(k).