2024 Maximum 401k Contribution Limits Over 50. In 2024, the maximum 401(k) contribution limit is $23,000 for people under the age of 50. As of 2023, individual employees have a 401 (k) contribution limit of $22,500,.

These limits increase to $69,000 and $76,500, respectively, in 2024. One of the most compelling reasons to contribute to your 401k is the employer.