Capital

Washington DC

Population

323 127 513

GDP

20 200 billions $

Size

9 831 510 km2

Currency

Dollar

Health care system

In the United States, the social insurance system involves six elements including an illness insurance called Obama Care that has been mandatory since October 2013. One medical check-up is mandatory for foreigners who request a long-stay Visa in the United-States. Every person affected by a contagious disease will be denied a Visa.