The United States is a country located in North America bordering the Atlantic Ocean and Pacific Ocean. Neighbouring countries are Canada and Mexico. The geography of the United States is varied with mountains in the west, a broad central plain, and low mountains in the east. The government system is a constitution-based federal republic with a strong democratic tradition; the chief of state and head of government is the president. The United States has an advanced mixed economy in which there is a variety of private freedom, combined with centralized economic planning and government regulation. United States is a member of the Asia-Pacific Economic Cooperation (APEC) and the North American Free Trade Agreement (NAFTA).
The US capital is Washington D.C. and is 5.5 hours behind Greenwich Mean Time (GMT - 5), which is 10.5 hours behind Indian Standard Time. Its currency is United States Dollar (USD). Calling code for United States is 1 and it follows 120 Volts Electrical system.
Languages
English only 78.2%, Spanish 13.4%, Chinese 1.1%, other 7.3% (2017 est.)
Ethnic Groups
White 72.4%, Black 12.6%, Asian 4.8%, Amerindian and Alaska Native 0.9%, Native Hawaiian and other Pacific Islander 0.2%, other 6.2%, two or more races 2.9% (2010 est.)
Religions
Protestant 46.5%, Roman Catholic 20.8%, Jewish 1.9%, Church of Jesus Christ 1.6%, other Christian 0.9%, Muslim 0.9%, Jehovah's Witness 0.8%, Buddhist 0.7%, Hindu 0.7%, other 1.8%, unaffiliated 22.8%, don't know/refused 0.6% (2014 est.)
