The world is made up of seven continents, each with its own unique geography. The largest continent is Asia, which spans over 17 million square miles and is home to a population of over 4.5 billion people. It contains deserts, mountains, rivers, and a variety of climates that range from tropical to subarctic. Africa is the second largest continent and has an area of 11.7 million square miles and a population of 1.3 billion people. Africa has some of the world’s most diverse landscapes, ranging from the Sahara Desert in the north to lush jungles in the south. It also boasts numerous mountain ranges such as the Atlas Mountains and the Drakensberg Mountains. Europe is the third largest continent with over 10 million square miles and a population of 743 million people. It has many different climates ranging from Mediterranean to alpine conditions in its mountain ranges like the Alps and Carpathians. Europe also has several large bodies of water like the Black Sea, North Sea, Baltic Sea, English Channel, and Mediterranean Sea which are important for trade routes between countries on this continent. North America is fourth largest continent with an area of 9 million square miles and a population of 579 million people living within its borders. This landmass consists mostly of temperate forests but also includes deserts in the southwest United States as well as tundra and polar regions in Canada’s far north. North America also contains two major mountain ranges -the Rocky Mountains which stretch across Canada into Alaska-and-the Appalachian Mountains that run along eastern United States coastlines from Georgia to Maine. South America is fifth largest continent with an area 6 million square miles and a population of 422 million people living within its borders. This landmass consists mostly tropical rainforests but also includes high altitude regions such as the Andes Mountain Range which runs through Peru, Bolivia, Ecuador, Colombia, Venezuela and Chile as well as large savannas in Brazil’s interior known as cerrado regions . Australia/Oceania is sixth largest continent with 8 million square miles but only 39 million people living within its borders making it one of most sparsely populated continents on Earth . This landmass consists mostly desert areas such as Australia’s Outback region but also includes tropical rainforest areas like New Guinea island which lies off Australia’s northern coast . Antarctica is seventh smallest continent.