Max 2024 401k Contribution Amount. This limit includes all elective employee salary deferrals and any contributions made to a designated roth. The 401 (k) 2024 employee contribution limit is $23,000, which is an increase of $500 from the previous year.
In 2024, 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. The basic employee contribution limit for 2024 is $23,000 ($22,500 for 2023).