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Key data for the United States of America

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: 316.8 mio. (est. 2013)
Language/s: English, Spanish
Currency: US dollar (USD)
Gross domestic product (GDP) 2013 est.: USD 16,237 bn
Change over previous year: +1.9 %
Per capita GDP 2013 est.: USD 51'248
Swiss colony 2012: 76'330 persons
Swiss exports 2013 est.: CHF 23'503 mio.
Change over previous year: +10.2 %
Swiss imports 2013 est: CHF 10'332 mio.
Change over previous year: +12.8 %