Constitution-based federal republic; strong democratic tradition
constitutional monarchy
Independence date
4 July 1776 (from Great Britain)
Religions
Protestant 51.3%, Roman Catholic 23.9%, Mormon 1.7%, other Christian 1.6%, Jewish 1.7%, Buddhist 0.7%, Muslim 0.6%, other or unspecified 2.5%, unaffiliated 12.1%, none 4% (2007 est.)
Roman Catholic 90%, other 10%
Languages
English 82.1%, Spanish 10.7%, other Indo-European 3.8%, Asian and Pacific island 2.7%, other 0.7% (2000 census) note: Hawaiian is an official language in the state of Hawaii
North America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Canada and Mexico
Western Europe, bordering the Mediterranean Sea on the southern coast of France, near the border with Italy
Area
9,826,675 km sq
2 km sq
Coastline
19,924 km
4 km
Climate
mostly temperate, but tropical in Hawaii and Florida, arctic in Alaska, semiarid in the great plains west of the Mississippi River, and arid in the Great Basin of the southwest; low winter temperatures in the northwest are ameliorated occasionally in January and February by warm chinook winds from the eastern slopes of the Rocky Mountains
Mediterranean with mild, wet winters and hot, dry summers