Top 10 Official Territorial Claims on Antarctica and Possible Future Claims

Several countries maintain a territorial claim on territories in Antarctica. These countries have built their scientific observation and study facilities in Antarctica within the claimed territory.

Territorial claims are pie-shaped wedges of Antarctica. They are pie-shaped because all they start from one point - the South Pole - and go radially outward, towards the equator.

The map of the territorial claims looks literally like a cut birthday cake, with bigger or smaller triangular slices. The Australian territorial claim is the largest.
The Top Ten
1 Australian Antarctic Territory Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of 7,617,930 square kilometres (2,941,300 sq mi), Australia is the largest country by area in Oceania and ...read more.

It's an external dependent territory of Australia - 5,896,500 km2 claimed in 1933 (the largest claim)

I live in Australia and I don't get it that much.

2 British Antarctic Territory The United Kingdom of Great Britain and Northern Ireland, commonly shortened to United Kingdom, UK or Britain is a Sovereign State located of the Northwestern coast of Europe. It is a Parliamentary Constitutional Monarchy currently lead by Monarch Queen Elizabeth II and its current prime minister is Boris Johnson. The UK is a Unitary State consisting of Scotland, England, Wales and Northern Ireland... read more
3 Queen Maud Land (Dependency of Norway) Norway, officially the Kingdom of Norway, is a sovereign and unitary monarchy in Northern Europe whose territory comprises the western portion of the Scandinavian Peninsula plus the island Jan Mayen and the archipelago of Svalbard. Oslo is the capital of Norway. Norwegian is the official language of Norway.
4 Argentine Antarctica Argentina, officially the Argentine Republic, is a country in the southern half of South America. Argentina covers an area of 2,780,400 km2 (1,073,500 sq mi), making it the second-largest country in South America after Brazil, the fourth-largest country in the Americas, and the eighth-largest country ...read more.
5 Chilean Antarctic Territory Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica; occupying a long and narrow strip of land between the Andes to the east and the Pacific Ocean to the west. Chile covers an area of 756,096 ...read more.
6 Ross Dependency (Dependency of New Zealand) New Zealand is an island country in the southwestern Pacific Ocean. It is situated 1,500 kilometres (900 mi) east of Australia across the Tasman Sea and roughly 1,000 kilometres (600 mi) south of the Pacific island areas of New Caledonia, Fiji, and Tonga. New Zealand's capital city is Wellington, while its most populous city is Auckland.
7 Adélie Land (France) France, officially the French Republic, is a sovereign state comprising territory in western Europe and several overseas regions and territories. The European part of France, called metropolitan France, extends from the Mediterranean Sea to the English Channel and the North Sea, and from the Rhine to the Atlantic Ocean. France spans 675,000 km2 (251,000 mi2) and has a total population of 67 million (data from 2017). ...read more.
8 Russia Russia, or the Russian Federation (RF), is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world by area, covering over 17,125,191 square kilometres (6,612,073 sq mi), and encompassing one-eighth of Earth's inhabitable landmass. Russia extends across eleven time zones and borders sixteen sovereign nations, the most of any country in the world. It is the ninth-most populous country and the most populous country in Europe, with a population of 145.5 million. The country's capital and largest city is Moscow, the largest city entirely within Europe. Saint Petersburg is Russia's cultural centre and second-largest city. Other major urban areas ...read more.

Former USSR (Soviet Union) had a claimed territory, and Russia, as successor state of the Soviet Union, maintain they have reserved the right to make future claims.

9 Peter I Island (Dependency of Norway) Norway, officially the Kingdom of Norway, is a sovereign and unitary monarchy in Northern Europe whose territory comprises the western portion of the Scandinavian Peninsula plus the island Jan Mayen and the archipelago of Svalbard. Oslo is the capital of Norway. Norwegian is the official language of Norway.
10 Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in both South America and Latin America. At 8.5 million square kilometers (3,300,000 sq mi) and with over 214 million people, Brazil is the world's fifth-largest country by area and the sixth most populous. Its capital is Brasília, and its most populous city is São Paulo. The federation is composed of the union of the 26 states and the Federal District. It is the largest country to have Portuguese as an official language and the only one in the Americas; it is also one of the most multicultural and ethnically diverse nations, due to over a century of mass immigration from around the world; as well as the most populous ...read more.

There have been speculations on Brazil making a claim bounded by 28° W and 53° W, thus overlapping with the Argentine and British claims but not with the Chilean.

The Contenders
11 United States The United States of America, or the U.S.A. for short, is a federal republic composed of 50 states, 48 of them are contiguous states. There are two other states, Alaska and Hawaii, which are north and south of the contiguous states, respectively. The United States declared its independence from the British Empire in 1776 with the Declaration of Independence. They won their independence in 1783 with the Treaty of Paris. Its capital, Washington D.C. (District of Columbia) is defined by imposing neoclassical monuments and buildings including the iconic ones that house the federal government's 3 branches: the Capitol, White House and Supreme Court. Though it has no official language, English and ...read more.
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