Around The World
What do you know about Antarctica? Get the facts.
Official name: Antarctica
Location: Mostly within the Antarctic circle, at the bottom of Earth
Size: 5.4 million square miles (14 million square kilometers); nearly one and a half times the size of the United States
Population: No permanent residents; temporary population ranges from 1,100 in winter to 4,400 in summer (July 2014 estimate)
Climate: Severe low temperatures; the coldest, highest, and driest of all seven continents
Government: The Antarctic Treaty, signed in 1959, sets out the rules for the continent.