2025 401k Maximum Contribution Limit. For most savers, the new 401k contribution limit for 2025 is $23,500. In 2025, the irs has forecasted an increase in the 401(k) elective deferral limit to.
For 2024 and 2025, you can contribute an additional $7,500 to traditional and. That means an active participant 50 or older can contribute up.