2024 401k Contribution Max Over 50. With annual contribution limits as high as $23,000 for people under age 50 or $30,500 for those age 50 and up, you might even be able to become a millionaire by. What happens if you go over the limit?

With annual contribution limits as high as $23,000 for people under age 50 or $30,500 for those age 50 and up, you might even be able to become a millionaire by. If you participate in a 401 (k) retirement savings plan at work, your personal contribution limit in 2024 is $23,000.