What is an Island?
Islands are areas of land that are not connected to a continent and are surrounded by water. Small islands are sometimes called cays, keys, or islets. A group of islands is often called an archipelago.
There are two main type of islands; continental islands and oceanic islands. Continental islands are part of a continental shelf. One example of this is Great Britain is an island that sits on the continental shelf of Europe. Oceanic islands are islands that don't sit on a continental shelf. Many oceanic islands are formed by undersea volcanoes like Hawaii in the Pacific Ocean.
Below are some of the major islands in the world:
Greenland is by far the world's largest island that is not a continent. It covers 822,706 square miles which is more than double the second largest island, New Guinea. For such a large island, Greenland only has a population of around 56,000 people making it one of the least densely populated places in the world. This is because most of Greenland is covered by a sheet of ice. Greenland is part of the continent of North America, but politically has generally been part of Europe through the country of Denmark.
Great Britain is the ninth largest island in the world and is the largest island in the British Isles. It is the third most populated island in the world. The British Empire was centered here and at its peak in the 18th to 20th century was the largest empire in the history of the world. It is part of Europe and is located off the northwest coast of France.
Madagascar is the fourth largest island in the world. It's located off the southeast coast of Africa. Madagascar is home to many animal and plant species that can't be found anywhere else on the planet. Around 80% of the plant and animal life on the island can only be found on Madagascar. It is so unique some scientists refer to it as the eighth continent.
Honshu is the largest island that makes up the country of Japan. It is the seventh largest island and has the second most people after the island of Java with a population of over 100 million. The highest mountain on Honshu is the famous volcano Mount Fuji and the largest city is Tokyo.
Luzon is the main island of a large number of islands that make up the country of the Philippines. It is the fifth most populated island in the world and is home to the city of Manila. Manila Bay is considered to be one of the best natural port harbors in the world due to its size and location.
Fun Facts about Islands of the World
Top 10 Islands by size and population
- Java is the world's most populated island with over 130 million people.
- The highest mountain on an island is Puncak Jaya on the island of New Guinea.
- Some islands are manmade. One example of this is the Kansai Airport in Japan which sits on a manmade island.
- The term desert island is an island with no people on it. This does not mean that the island is a desert, but rather that it is deserted.
- Napoleon Bonaparte was born on the island of Corsica.
- The largest island in the Mediterranean Sea is Sicily.
- Around 1 in 6 people on the planet live on an island.
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