United States

The United States of America (USA) is a country primarily located in North America, comprising 50 states, a federal district, five major unincorporated territories, and various minor islands. It shares land borders with Canada to the north and Mexico to the south, and has coastlines along the Atlantic Ocean, Pacific Ocean, and the Gulf of Mexico. Covering an area of approximately 9.8 million square kilometers, it has a population of about 331 million people as of 2023, making it the third most populous country in the world. The capital is Washington, D.C., while the largest city is New York City. The official language at the federal level is English. The USA operates as a federal presidential constitutional republic. The economy is highly developed and is the largest in the world, with key sectors including technology, finance, healthcare, and manufacturing. The USA is known for its cultural diversity, technological innovation, and global influence. The country is a member of international organizations such as the United Nations, NATO, the G7, and the World Trade Organization.