2025 401k Contributions Maximum. Find out the maximum contribution limit you can make to your 401(k) plan in 2025. The 401 (k) contribution limits in 2025 have increased for employees to $23,000.
In 2025, the contribution limit for a roth 401 (k) is $23,000, plus an additional contribution of $7,500 if you are age 50 or older. If you’re 50 or older, you can also make.