7 continents of the world. The widely recognized all the 7 continents are listed by size below, from biggest to smallest. Asia includes 50 countries, and it is the most populated continent, the 60% of the total population of the Earth live here. Africa comprises 54 countries. It is the hottest continent and home of the world's largest desert, the Sahara, occupying the 25% of the total area of Africa.
The 7 continents list, as you know it today, has passed through a long evolutionary history starting with a two-continent scheme. According to Arnold Toynbee, a British historian, these were the ancient Greek mariners who distinguished between two great landmasses of their known world.
Using the criteria defined above, many geologists say there are six continents: Africa, Antarctica, Australia, North and South America, and Eurasia. If you went to school in the United States, chances are you were taught that there are seven continents: Africa, Antarctica, Asia, Australia, Europe, North America, and South America.