The United States of America, also referred to as America, the US or USA, is home to almost 315 million people.
English is the official language, although many other languages are spoken throughout the country. Spanish is the second most commonly used language.
The United States is the world’s oldest surviving federation. It is a constitutional republic and representative democracy. The government is regulated by a system of checks and balances defined by the U.S. Constitution.
Many religions are present, as religious freedom is a constitutional right and there is no official state religion. Over 78% of Americans are reported as followers of Christian faith, with 16% claiming no religion, atheism or agnostic.
The U.S. dollar is the currency used.