Top 10 Official Territorial Claims on Antarctica and Possible Future Claims

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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 Australian Antarctic Territory Australia, officially known as the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. Australia has a very warm climate and is very dry. The country's official language is English.

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

2 British Antarctic Territory 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 it's current prime minister is ...read more.

Overseas territory of the United Kingdom - 1,709,400 km2 claimed in 1908 (the first and the oldest claim). It's the pie between 20°W - 80°W.
BUT most of the UK pie is also claimed by another country! Only the sector from 20°W - 25°W is free of overlapping claims.
Overlapping claims:
United Kingdom, Argentina (25°W - 53°W)
United Kingdom, Argentina, Chile (53°W - 74°W)
United Kingdom, Chile (74°W - 80°W) - Metal_Treasure

3 Queen Maud Land (Dependency of Norway) Queen Maud Land (Dependency of Norway) Norway, officially the Kingdom of Norway, is a sovereign and unitary monarchy whose territory comprises the western portion of the Scandinavian Peninsula plus the island Jan Mayen and the archipelago of Svalbard.

Area - 2,700,000 km2 claimed in 1939 - Metal_Treasure

4 Argentine Antarctica Argentine Antarctica Argentina, officially the Argentine Republic, is a federal republic located in southeastern South America.

Area - 1,461,597 km2 claimed in 1942. It's bounded by 25°W - 74°W, which is part of the territory already claimed by the UK. - Metal_Treasure

5 Chilean Antarctic Territory Chilean Antarctic Territory Chile, officially the Republic of Chile, is a South American country occupying a long, narrow strip of land between the Andes to the east and the Pacific Ocean to the west.

Commune of Antártica Chilena Province - 1,250,258 km2 claimed in 1940.
Overlaps with the UK from 53°W - 80°W, plus also with Argentina from 53°W - 74°W. - Metal_Treasure

6 Ross Dependency (Dependency of New Zealand) Ross Dependency (Dependency of New Zealand)

Area - 450,000 km2 claimed in 1923 - Metal_Treasure

7 Adélie Land (France) 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 ...read more.

District of the French Southern and Antarctic Lands - 432,000 km2 claimed in 1924
Claimant - France - Metal_Treasure

8 Peter I Island (Dependency of Norway) Peter I Island (Dependency of Norway) Norway, officially the Kingdom of Norway, is a sovereign and unitary monarchy whose territory comprises the western portion of the Scandinavian Peninsula plus the island Jan Mayen and the archipelago of Svalbard.

Area - only 154 km2 claimed in 1929 - Metal_Treasure

9 Russia Russia Russia, known as the "Russian Federation", was formed on Dec 25, 1991. It is located mainly in Asia, while a portion of it remains in Europe. The capital and largest city is Moscow, followed by Saint Petersburg in terms of population. The country primarily speaks Russian, a Slavic language. ...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. - Metal_Treasure

10 Brazil Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in both South America and the Latin American region.

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. - Metal_Treasure

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