In 2024, the maximum you can contribute to a 401(k) plan on a tax-deferred basis is $23,000.
In 2024, the maximum you can contribute to a 401(k) plan on a tax-deferred basis is $23,000. If you are 50 or older and participate in a traditional or safe harbor 401(k), you can make up to $7,500 of “catch-up” contributions.