2025 401k Max Contribution Catch Up. The contribution limit for simple 401 (k)s is $16,000 (up to $19,500 if. Those 50 and over can contribute an additional $3,500 for a maximum contribution of.
The maximum contribution for both 401(k) plans is $23,000 in 2025. The 401 (k) compensation limit is $345,000.