United States of America

United States of America. A country or federal republic of 50 states, the District of Columbia, and 326 Indian reservations. It’s located primarily in North America, bordered by Canada to the north and Mexico to the south. The USA is the world’s most productive industrial nation and a major exporter of agricultural products.

United States of America (USA). Commonly known as the United States (U.S.) or ‘America,’ is a country primarily located in North America. It is a federation of 50 states, which also includes its federal capital district of Washington, D.C., and 326 Native American reservations.
‘America’ is not an apt description, however, as there are 35 nations in the Americas.
The 48 contiguous (connected) states border Canada to the north and Mexico to the south. The State of Alaska is non-contiguous and lies to the northwest, while the State of Hawaii is an archipelago in the Pacific Ocean.
Outside the union of states, the U.S. also asserts sovereignty over five major unincorporated island territories including Puerto Rico, and various uninhabited islands.
The country has the world’s third-largest land area, second-largest exclusive economic zone, and third-largest population, exceeding 334 million. 

The USA has three geographic definitions: 

• United States: The 50 states and the District of Columbia 
• Continental United States: The 49 states on the North American continent, excluding Hawaii, plus the District of Columbia 
• Conterminous United States: The 48 states that existed before Alaska became a state in 1959, excluding Alaska and Hawaii, plus the District of Columbia 

The USA also includes the following possessions: 

• The Northern Mariana Islands 
• Guam 
• American Samoa 
• The guano islands 
• The Commonwealth of Puerto Rico 
• The Virgin Islands 
• Wake Island 
• Midway Islands 
• Kingman Reef 
• Johnston Atoll