401k Contribution Limits 2024 Over 50 Married. In 2024, the contribution limit for a roth 401(k) is $23,000, plus an additional contribution of $7,500 if you are age 50 or older. Workplace retirement plan contribution limits for 2024.

There’s also a $7,500 catch. If both are over 50, they can contribute an additional $7,500 each,.