National Health Expenditure: 5.0% in 1960 to 17.9% in 2016
Actuaries from the CMS (Centers for Medicare and Medicaid Services) noted that healthcare spending in the United States in 1960 was $27.5 billion, 5.0% of the $543 billion Gross Domestic Product (GDP). By 2016, total healthcare spending was $3.3 trillion, $10,348 per person and 17.9% of the Gross domestic product. by 2026, the national health expenditure is estimated to reach $5.4 trillion, or 19.7% of the GDP.
Reference. CMS.gov. National Health Expenditure Data. From the Internet @ https://www.cms.gov/research-statistics-data-and-systems/statistics-trends-and-reports/nationalhealthexpenddata/nhe-fact-sheet.html, accessed April 25, 2018.