401k Contribution Limits 2024 Catch Up Total Cost. In 2024, the 401(k) contribution limit for participants is increasing to $23,000, up from $22,500 in 2023. Key takeaways the irs sets the maximum that you and your employer can contribute to your 401(k) each year.

In 2022, the most you can contribute to a roth 401(k) and contribute in pretax contributions to a traditional 401(k) is $20,500. In 2023, this rises to $22,500.