Many employers benchmark their health plan against carrier provided national data. While that is a good place to start, regional cost averages vary, making it essential to benchmark both nationally and regionally—as well as state by state. For example, a significant difference exists between the cost to insure an employee in the Northeast versus the Central U.S.—plans in the Northeast continue to cost the most since they typically have lower deductibles, contain more state-mandated benefits, and feature higher in-network coinsurance, among other factors.