United States
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.