The United States of America is being the top country by health expenditure (% of GDP) in the world. As of 2014, health expenditure (% of GDP) in the United States of America was 17.1 % GDP. The top 5 countries also includes Marshall Islands, Tuvalu, Maldives, and Micronesia (Federated States of).
Total health expenditure is the sum of public and private health expenditure. It covers the provision of health services (preventive and curative), family planning activities, nutrition activities, and emergency aid designated for health but does not include provision of water and sanitation.