Head of state: Barack Hussein Obama
Head of government: Barack Hussein Obama
Type of state: federal republic
Land area: 9,629,091 km2
Capital: Washington D.C.
Population: 313.8 m (est. 2012)
Language/s: English, Spanish
Currency: US dollar (USD)
Gross domestic product (GDP) 2011: USD 15,094 bn
Change over previous year: +1.7%
Per capita GDP 2011: USD 48,387
Swiss colony 2011: 75,637 persons
Swiss exports 2011 est.: CHF 21,278 m
Change over previous year: +3.5%
Swiss imports 2011 est: CHF 9,126m
Change over previous year: -7.2%