Mangareva language
Polynesian language spoken in French Polynesia

Mangareva or Mangarevan (autonym te reo magareva, [te re.o ma.ŋa.re.va]; in French mangarévien) is a Polynesian language spoken by about 600 people in the Gambier Islands of French Polynesia (especially the largest island Mangareva) and by Mangarevians emigrants on the islands of Tahiti and Moorea, located 1,650 kilometres (1,030 mi) to the North-West of the Gambier Islands.
Vitality
At the 2017 census, only 24.8% of the population age 15 and older in the Gambier Islands still reported that Mangarevan was the language they spoke the most at home (down from 38.6% at the 2007 census), while 62.6% reported French as the main language spoken at home (up from 52.3% at the 2007 census), 4.9% reported Tahitian (down from 6.4% in 2007), and 4.6% reported some Chinese dialects (predominantly Hakka) (up from 3.5% in 2007).
The ten years between 2007 and 2017, based on official census numbers, have seen a global decline in the number of Mangarevan-speaking adults (i.e. people aged 15 and older who reported that Mangarevan was the language they spoke the most at home):
300 in 2007 → 270 in 2017, in the Gambier Islands
50 in 2007 → 53 in 2017, on the islands of Tahiti and Moorea
424 in 2007 → 332 in 2017, across French Polynesia as a whole.
Speakers have some bilingualism in Tahitian, in which there is a 60% lexical similarity, and usually with French, as well. It is a member of the Marquesic subgroup, and as such is closely related to Hawaiian and Marquesan.
According to the Endangered Languages Project, Mangarevan is considered endangered with less than 900 speakers out of an ethnic population of 1,491. The larger portion of the population in the Gambier Islands speak French.
History
Mangarevan primarily shares commonalities with Cook Islands Māori, New Zealand Māori, Marquesan and Tahitian. The linguistic similarity with the New Zealand Māori can be traced back to the 1834 arrival of a New Zealand man who acted as a translator for French missionaries.
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This entry incorporates text from “Mangareva language” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.