All the continents in the world are Asia, Europe, Africa, North America, South America, Australia/Oceania and Antarctica. Most of these continents are in the northern hemisphere.
The largest continent is Asia at 16,920,000 square miles. It is also the most populated continent, with between 3.8 and 4.1 billion people. The Middle East is considered a part of Asia, as is Russia east of the Ural Mountains. Turkey is considered part of both Europe and Asia. Other countries in Asia include Japan, Thailand, Laos, China, North and South Korea, Afghanistan, India, Pakistan, Nepal, Bhutan and Mongolia.
Africa is the next largest continent at 11,730,000 square miles. Egypt is an African country that is considered part of the Middle East, even though it is in Africa. Africa is the home of the Nile River, which is one of the longest rivers on earth. It also contains the Sahara Desert. Countries in Africa include Ghana, Liberia, Mauritania, South Africa, the Central African Republic, Chad, Sudan, Swaziland and Lesotho.
The next largest continent is North America, which includes Canada and the United States. It is followed by South America, which is largely made up of Spanish-speaking countries, such as Argentina, Bolivia, Chile and Venezuela. Exceptions are Brazil and Suriname.
South America is followed by Europe, Antarctica and Australia/Oceania.