The Americas, or simply America, are lands in the Western hemisphere, also known as the New World.
In the English language, the Americas refers to the landmasses of North America and South America with their associated islands and regions, whereas America, in current usage, usually refers to the United States of America.
The Americas cover 8.3% of the
Earth's total surface area (28.4% of its land area) and contain about 13.5% of the
human population (about 900 million
people).
The Americas are separated into 4 different regions: North America, South America, Central America, and the Caribbean. All together, they contain about 47 countries, including the more
popular United States,
Mexico, Brazil, Haiti, and the Bahamas.