Lachi
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A language of Viet Nam
5,000 in Vietnam (Bradley 2007a). 3,990 women, in 1,450 households (Liang 1990), including Black Lachi 2,500 in 550 households, Long-Haired Lachi 4,500 in 900 households. 15,000 for all La Chi in Vietnam (2019 census). Ethnic population: 15,100 (2019 census). Total users in all countries: 5,200.
Ha Giang province: west of Ha Giang in upper Clear River valley (Riviere Claire) on China border. Black Lachi in Manyou, Long-Haired Lachi in Manpeng.
6b* (Threatened). Language of recognized ethnic group: La Chi.
Liputiõ (Black Lachi), Lipupi (Long-Haired Lachi). Related to Gelao. Lexical similarity: Long-Haired Lachi of Vietnam: 80% with Flowery Lachi [lbt] of China, White Lachi [lwh] of Vietnam: 30%–40% with the others, and should be considered a separate language, 36% with Gelao, 33% with Qabiao [laq], 22% with Dong [doc], 23% with Laka, 25% with Hlai [lic].


‘Red’, ‘Flowery’, refer to clothing color or other features of physical appearance. Traditional religion.