2024 401k Max Contribution Catch Up. In 2023, this rises to $22,500. The irs sets a limit on how much can be put into a 401(k) plan every year, also known as an annual contribution limit.

Those 50 and older can contribute an additional $7,500. Key takeaways the irs sets the maximum that you and your employer can contribute to your 401(k) each year.