2024 Max 401k Contribution Employer Match. If your plan provides for matching contributions, you must follow the plan’s match formula. The contribution limit for simple 401 (k)s is $16,000 (up to $19,500 if you're 50 or older).

This amount is up modestly from. For 2024, the 401(k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older.