Catch Up 401k Contribution Limits 2025. The 401(k) contribution limit for 2025 is $23,500, up from $23,000 in 2024. Contribution limits to 401(k)s & other defined contribution plans.

It’s a lot to take in, but remember, every little. Starting in 2025, employees can defer $23,500 into 401(k) plans, up from $23,000 in 2024.