The Americas comprise the totality of the continents of North and South America. Together, they make up most of the land in Earth’s western hemisphere and comprise the New World.
The United States of America (USA), commonly known as the United States or America, is a country composed of 50 states, a federal district, five major self-governing territories, and various possessions. The United States is the world’s third- or fourth-largest country by total area and slightly smaller than the entire continent of Europe. With a population of over 325 million people, the USA is the third most populous country.