24 Everyone must have public health insurance, but those above a certain income can choose private insurance instead. The state-sponsored insurance covers. The US health system costs roughly twice as much as the Australian system per person. private health insurance, and those offering a whole-of-care Unlike Australia, the US has no network of public hospitals to be. In , % of the gross domestic product (GDP) in the U.S. was spent toward total health spending (both through public and private funds). The U.S. healthcare system is extremely complex, with separate rules, funding, enrollment dates, and out-of-pocket costs for employer-based insurance, private.