Total 401 K Contribution Limit 2024. The contribution limit for simple 401 (k)s is $16,000 (up to $19,500 if you're 50 or older). This limit includes all elective employee salary deferrals and any contributions made to a designated roth.
In 2024, employers and employees together can contribute up to $69,000, up from a limit of $66,000 in 2023. This limit includes all elective employee salary deferrals and any contributions made to a designated roth.