| Capital: | Washington D.C. | | Surface area: | 9'809'155 km2 | | By comparison: | Switzerland: about 40'000 km2 | | Population: | 289 mil (29 inhabit. per km2) | | Annual population growth rate: | 0.9% | | Languages: | English, Spanish | | Religion: | 56% Protestant, 28% Catholic | | Currency: | US-Dollar | | GNP per inhabitant and year: | 35'400 US-$ |
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