The United States of America (USA), often shortened to the United States (US), is a country primarily located in North America, consisting of 50 states, a federal district, five major unincorporated territories, nine minor outlying islands, and 326 Indian reservations. It is the world's third-largest country by both land and total area and has the third-largest population. Its economy is the largest in the world by nominal GDP and the second-largest by PPP. A highly developed country, the United States is a global superpower, with considerable economic, political, military, cultural, and technological influence.
