United States

!Flag of the United States) The United States of America is a federal presidential constitutional republic. It is founded on principles of individual liberty, limited government, separation of powers, and popular sovereignty, as articulated in its 1787 Constitution and the Bill of Rights (ratified 1791).[](https://www.archives.gov/founding-docs) Comprising 50 states, the federal District of Columbia, five major inhabited territories, and numerous smaller insular possessions, it occupies a land area of 3,532,316 square miles, often ranked as the world's third- or fourth-largest country by total area depending on methodologies for including inland, coastal, and territorial waters.[](https://data.census.gov/profile) Primarily located in North America, with Alaska in the northwest and Hawaii in the Pacific Ocean, it borders Canada and Mexico and has extensive coastlines on the Atlantic, Pacific, and Arctic Oceans. The United States had a population of approximately 342.9 million as of November 2025.[](https://www.census.gov/popclock/)

United Statessteht für:

• United States of America,Staat in Nordamerika, siehe Vereinigte Staaten
• United States Lines, US-amerikanische Reederei