Which is South America's largest island by area?

Isla Grande de Tierra del Fuego is an island near the southern tip of South America from which it is separated by the Strait of Magellan. The western portion (61.4%) of the island (29,484.7 km2 (11,384.1 sq mi) is in Chile (Province of Tierra del Fuego and Antártica Chilena Province), while the eastern portion (38.6%, 18,507.3 km2 (7,145.7 sq mi)) is in Argentina (Tierra del Fuego Province). It forms the major landmass in an extended group of islands or archipelago also known as Tierra del Fuego.

The island has an area of 47,992 km2 (18,530 sq mi), making it the largest island in South America and the 30th largest island in the world. Its two biggest towns are Ushuaia and Río Grande, both in Argentina. Other towns are Tolhuin, Porvenir, Camerón, and Cerro Sombrero. The Argentine side, Tierra del Fuego Province, has 127,205 inhabitants (2010), whereas the Chilean side, even though its area is significantly larger, has only 6,656 (2012).