The United States of America is a country located in North America, consisting of 50 states and a federal district. It is the world’s third-largest country by total area and has a population of over 328 million people. The United States is known for its diverse culture, vibrant cities, and leading role in global politics and economics. It was founded in 1776 when the Thirteen Colonies declared independence from British rule, leading to the formation of a new nation based on democratic principles and individual freedoms.