Flag of the United States of America

Flag of the United States of America

United States of America


  • Population » 339.6 million (est 2023)
  • Languages » No official language – English, Spanish, others widely spoken
  • Major religion » Christianity
  • Life expectancy » 76 years (men), 81 years (women) (and declining)
  • Top Level Domain » .us
  • Currency » United States Dollar (USD)
  • Local Emergency » Dial 911


  • Area » 9,629,091 km² (3.8 million sq miles)
  • The U.S. is is bordered by the Atlantic and Pacific Oceans, and Canada to the north and Mexico to the south.



  • The U.S. is a constitutionally-based federal republic with democratic traditions.
  • Risk » Honking your car horn unnecessarily can make drivers angry in America. (Source » CIA World Factbook)


  • The USA is the third most visited country in the world after France and Spain. In 2017, for the second consecutive year, the USA saw less international tourists, dropping it from 2nd to 3rd most visited country.
  • In 2018, spending by travellers generated $2.5 trillion in economic output and $171 billion in tax revenue.
  • Popular tourist destinations include » Grand Canyon; Niagara Falls; Statue of Liberty; Washington, DC (includes White House, National Mall); Yellowstone National Park; Yosemite National Park; Denali National Park; Times Square; Golden Gate Bridge; Mesa Verde; Disney World/Land in Florida/California; Hawaii (includes Oahu, Maui, and island of Hawaii); Utah’s national parks; Las Vegas

Health Care

25 Longest and Shortest Interstate Highways in the USA

25 Longest and Shortest Interstate Highways in the USA


This page was updated October 7, 2023