401k Catch Up 2024 Over 50. Those 50 and older can contribute an additional $7,500. 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.

Those 50 and older can contribute an additional $7,500. For 2024, the maximum you can contribute to a simple 401 (k) is $16,000.