401k Contribution Limits 2025 Catch Up 2025. If you have a traditional 401 (k), your contributions will reduce your taxable income for the. In 2025, the 401 (k) contribution limit for participants is increasing to $23,500, up from $23,000 in 2024.

Adults ages 50 to 59 can also make catch. That’s on top of the standard $23,500 limit for everyone else,.