11] Rising Hospital Spending in the USA, Overall, hospitals represent 33% of U.S. health costs; The U.S. spent 5.8% of Gross Domestic Product [GDP] on hospitals in 2016, by far the highest proportion in the OECD, the organization of rich nations. By contrast, Germany spends 3.2% of GDP on hospitals; the U.K., 4.1%; Canada, 3.1%. Do we nationalize the healthcare system? Or do we keep the current mixed-healthcare system?