As of 2026-04-29, Greenland tops the list with 2,130,800 km².
- #1 Greenland — 2,130,800 km²
island located between the Arctic Ocean and the North Atlantic Ocean
Greenland is an autonomous territory of the Kingdom of Denmark and is the largest of the kingdom's three constituent parts by land area, the others being Denmark proper and the Faroe Islands. Citizens of Greenland are citizens of Denmark. They are thus citizens of the European Union (EU), although Greenland is not part of the EU. It is the world's largest island and lies between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. It shares a small 1.2-kilometre (0.75 mi)... Read more on Wikipedia.
Wikidata - #2 New Guinea — 785,753 km²
island in the Pacific Ocean
New Guinea is the world's second-largest island, with an area of 785,753 km2 (303,381 sq mi). It has the third-largest remaining rainforest globally, and the highest plant biodiversity of any island. Located in Melanesia in the southwestern Pacific Ocean, the island is separated from Australia by the 150-kilometre wide Torres Strait, though both landmasses lie on the same continental shelf, and were united during episodes of low sea level in the Pleistocene glaciations as the combined... Read more on Wikipedia.
Wikidata - #3 Borneo — 748,168 km²
third largest island in the world by area, located in south-east Asia
Borneo is the third-largest island in the world, with an area of 748,168 km2 (288,869 sq mi), and population of 23,053,723. Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda Islands, located north of Java, west of Sulawesi, and east of Sumatra. The island is crossed by the equator, which divides it roughly in half. In Indonesia, the island is also known as Kalimantan, which is also the name of the Indonesian region located on the island. Read more on Wikipedia.
Wikidata - #4 Madagascar — 587,713 km²
island in the Indian Ocean, part of the country Madagascar
Madagascar is a large island in the Indian Ocean located 400 kilometres (250 mi) off the eastern coast of Southern Africa, east of Mozambique. It has a total area of 587,040 square kilometres (226,660 sq mi) with 581,540 square kilometres (224,530 sq mi) of land and 6,900 square kilometres (2,700 sq mi) of water. Madagascar is the fourth-largest island in the world. The highest point is Maromokotro, in the Tsaratanana Massif region in the north of the island, at 2,876 metres (9,436 ft). Read more on Wikipedia.
Wikidata - #5 Baffin Island — 507,451 km²
largest Arctic island in Nunavut, Canada
Baffin Island, in the Canadian territory of Nunavut, is the largest island in Canada, the second-largest island in the Americas, and the fifth-largest island in the world. Its area is 507,451 km2 (195,928 sq mi) with a population density of 0.026/km2 (0.067/sq mi); the population was 13,039 according to the 2021 Canadian census; and it is located at 68°N 70°W. Iqaluit, the capital of Nunavut, is located on Frobisher Bay on the southern tip of the island. Read more on Wikipedia.
Wikidata - #6 Sumatra — 473,481 km²
island in western Indonesia, westernmost of the Sunda Islands
Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 482,286.55 km2 (182,812 mi.2), including adjacent islands such as Simeulue, Nias, the Mentawai Islands, Enggano, the various archipelagoes comprising the Riau Islands Province, Bangka and Belitung and the Krakatoa archipelago. Read more on Wikipedia.
Wikidata - #7 Great Barrier Reef — 348,934 km²
over 2300 km long coral reef off Australia's northeast coast, UNESCO World Heritage Site
The Great Barrier Reef is the world's largest coral reef system, composed of over 2,900 individual reefs and 900 islands stretching for over 2,300 kilometres (1,400 mi) over an area of approximately 344,400 square kilometres (133,000 mi2). The reef is located in the Coral Sea, off the coast of Queensland, Australia, separated from the coast by a channel 160 kilometres (100 mi) wide in places and over 61 metres (200 ft) deep. The Great Barrier Reef can be seen from outer space and is the... Read more on Wikipedia.
Wikidata - #8 Honshu — 230,426 km²
largest island of Japan
Honshu , historically known as Akitsushima or Hondo, is the largest of Japan's four main islands. It lies between the Pacific Ocean (east) and the Sea of Japan (west). It is the seventh-largest island in the world, and the second-most populous after the Indonesian island of Java. Read more on Wikipedia.
Wikidata - #9 Great Britain — 228,938 km²
island in the North Atlantic Ocean off the northwest coast of continental Europe
Great Britain is an island in the North Atlantic Ocean off the north-west coast of continental Europe, consisting of the countries England, Scotland and Wales. With an area of 209,331 km2 (80,823 sq mi), it is the largest of the British Isles, the largest European island, and the ninth-largest island in the world. It is dominated by a maritime climate with narrow temperature differences between seasons. The island of Ireland, with an area 40 per cent that of Great Britain, is to the west.... Read more on Wikipedia.
Wikidata - #10 Victoria Island — 217,291 km²
island in the Northwest Territories and Nunavut in Canada
Victoria Island is a large island in the Arctic Archipelago that straddles the boundary between Nunavut and the Northwest Territories of Canada. It is the eighth-largest island in the world, and at 217,291 km2 (83,897 sq mi)1 in area, it is Canada's second-largest island. It is nearly double the size of Newfoundland (111,390 km2 [43,010 sq mi]), and is slightly larger than the island of Great Britain (209,331 km2 [80,823 sq mi]) but smaller than Honshu... Read more on Wikipedia.
Wikidata