401k Contribution Limits 2024 Catch Up Total Cost. The irs sets the maximum that you and your employer can contribute to your 401 (k) each year. In 2023, the most you can contribute to a roth 401 (k) and contribute.

Adults 50 and older can contribute an additional $7,500 to their 401 (k) plans in 2024. The 2024 401 (k) contribution limit is $500 higher than this year’s $22,500 max, which reflected a major increase from the 2022 limit of $20,500.