Total 401k Contribution Limit 2024 Over 50. Savers will be able to contribute as much as $23,500 to a 401(k) in 2025, up from $23,000 in 2024. That means an active participant 50 or older can contribute up.
This amount is up modestly from 2024, when the individual 401(k) contribution limit was. In 2024, the maximum 401(k) contribution limit is $23,000 for people under the age of 50.