were employed by the U.S. health care and social assistance sector in 2018 — the most for any industry sector
Source:U.S. Census Bureau
The U.S. Bureau of Labor Statistics classifies the U.S. economy into 20 industry sectors. The health care and social assistance sector comprises medical services such as hospitals, clinics, laboratories, and nursing homes as well as social services like family welfare programs, rehabilitation centers, homeless shelters, and emergency relief. The second-largest industry sector in the U.S. is retail trade, employing 15.7 million Americans in 2018.