Capital: Washington D.C.

Population: 326,895,940 (estimated in 2015)

Currency: United States Dollar (USD)

Official Language: English

Unofficial Languages: Spanish, Italian, German, and other minority languages

Main Religion: Christianity

Ethnic Groups: White, Black, Asian, Amerindian, Alaska native, Native Hawaiian, and others

Largest Cities: New York City, Los Angeles, Chicago, Houston

Main Sport: Baseball, Basketball, American Football, Hockey

Political System: Constitution-based Federal Republic

National Holidays (2016):

New Year’s Day (January 1)

Martin Luther King Jr. Birthday (January 18)

President’s Day (February 15)

Memorial Day (May 30)

Independence Day (July 4)

Labour Day (September 5)

Columbus Day (October 10)

Veterans’ Day (November 11)

Thanksgiving (November 24)

Christmas Day (December 25)