South America is a continent to the east of Africa after crossing the Atlantic Ocean. A small part of it is in the Northern Hemisphere, whereas the greater part of it is in the Southern Hemisphere. It has a land area of 17.84 million km², a population of 422.5 million (2016), and 13 countries.
The continent of Australia is located within the Southern and Eastern hemispheres. The continent includes the country Australia, Tasmania, Papua New Guinea, Western New Guinea, the Aru Islands, and many other small islands. The Australian continent is the smallest of the seven traditional continents. It has a land area of 8,600,000 km2, a population of 39,357,469, and six 6 countries.
Antarctica is the southernmost and least-populated continent on Earth. It is surrounded by the Antarctic Ocean. The geographic South Pole can be found there. It covers a land area of 13.66 million km², and it is populated by 1,000 to 5,000 people.