Countries 25
People Groups 437
Land Area 3,285,000 mi2
Population
* Statistics by Wolfram|Alpha. "Christianity" is used in the statistical sense and includes Catholics, Protestants, and true Christians.
Listing in Oceania
Oceania is a region centered on the islands of the tropical Pacific Ocean. Conceptions of what constitutes Oceania range from the coral atolls and volcanic islands of the South Pacific (ethnologically divided into the subregions of Melanesia, Micronesia, and Polynesia) to the entire insular region between Asia and the Americas, including Australasia and the Malay Archipelago. The term is sometimes used more specifically to denote a continent comprising Australia Continent and proximate islands or biogeographically as a synonym for either the Australasian ecozone (Wallacea and Australasia) or the Pacific ecozone (Melanesia, Polynesia, and Micronesia apart either from New Zealand or from mainland New Guinea).
Oceania was originally conceived as the lands of the Pacific Ocean, stretching from the Straits of Malacca to the coast of the Americas. It comprised four regions: Polynesia, Micronesia, Malaysia (now called the Malay Archipelago), and Melanesia (now called Australasia). Included are parts of three geological continents, Eurasia, Australia, and Zealandia, as well the non-continental volcanic islands of the Philippines, Wallacea, and the open Pacific. It extends to Sumatra in the west, the Bonin Islands in the northwest, the Hawaiian Islands in the northeast, Rapa Nui and Sala y Gomez Island in the east, and Macquarie Island in the south, but excludes Taiwan and the Ryukyu, Japanese, and Aleutian Islands of the margins of Asia.
The states that occupy Oceania that are not included in geopolitical Oceania are Indonesia, Malaysia (through Malaysian Borneo), Brunei, the Philippines, and East Timor. The islands of the geographic extremes are politically integral parts of Japan (Bonin), the United States (Hawaii), and Chile (Easter Island). A smaller geographic definition also exists, which excludes the land on the Sunda plate, but includes Indonesian New Guinea as part of the Australian continent.