French Polynesia
Languages

All the indigenous languages of French Polynesia are Polynesian. French Polynesia has been linguistically diverse since ancient times, with each community having its own local speech variety. These dialects can be grouped into seven languages on the basis of mutual intelligibility: Tahitian, Tuamotuan, Rapa, Austral, North Marquesan, South Marquesan, and Mangarevan. Some of these, especially Tuamotuan, are really dialect continua formed by a patchwork of different dialects. The distinction between languages and dialects is notoriously difficult to establish, and so some authors may view two varieties as dialects of the same language, while others may view them as distinct languages. In this way, North and South Marquesan are often grouped together as a single Marquesan language, and Rapa is often viewed as part of Austral subfamily. At the same time, Ra'ivavae is often viewed as distinct from them.

French is the sole official language of French Polynesia. An organic law of 12 April 1996 states that "French is the official language, Tahitian and other Polynesian languages can be used." At the 2017 census, among the population whose age was 15 and older, 73.9% of people reported that the language they spoke the most at home was French (up from 68.6% at the 2007 census), 20.2% reported that the language they spoke the most at home was Tahitian (down from 24.3% at the 2007 census), 2.6% reported Marquesan and 0.2% the related Mangareva language (same percentages for both at the 2007 census), 1.2% reported any of the Austral languages (down from 1.3% at the 2007 census), 1.0% reported Tuamotuan (down from 1.5% at the 2007 census), 0.6% reported a Chinese dialect (41% of which was Hakka) (down from 1.0% at the 2007 census), and 0.4% another language (more than half of which was English) (down from 0.5% at the 2007 census).

At the same census, 95.2% of people whose age was 15 or older reported that they could speak, read and write French (up from 94.7% at the 2007 census), whereas only 1.3% reported that they had no knowledge of French (down from 2.0% at the 2007 census). 86.5% of people whose age was 15 or older reported that they had some form of knowledge of at least one Polynesian language (up from 86.4% at the 2007 census but down from 87.8% at the 2012 census), whereas 13.5% reported that they had no knowledge of any of the Polynesian languages (down from 13.6% at the 2007 census but up from 12.2% at the 2012 census).
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