A language of Viet Nam

ISO 639-3: lbt

Population 7,863 in Viet Nam (1990 census). Population includes 3,990 women, in 1,450 households (1990 Liang Min), including Black Lachi 2,500 in 550 households, Long-Haired Lachi 4,500 in 900 households. 10,765 for all La Chi in Viet Nam (1999 census). Population total all countries: 9,016. Ethnic population: 9,600 (2000 D. Bradley).
Region Hà Giang Province, mostly west of Hà Giang in the upper Clear River valley (Riviere Claire) on the China border: Black Lachi at Manyou, Long-Haired Lachi at Manpeng. Also spoken in China.
Alternate names   La Chi, Lachí, Laji, Lati, Tai Lati, Lipulio, Y To, Y Pí, Y Póng, Y Mia, Cù Te, Cu-Tê
Dialects Liputiõ (Black Lachi), Lipupi (Long-Haired Lachi). Related to Gelo. Long-Haired Lachi of Viet Nam (4,806 speakers) has 80% lexical similarity with Flowery Lachi of China; White Lachi of Viet Nam (1,602) has 30% to 40% similarity with the others, and should be considered a separate language. Lexical similarity 36% with Gelo, 33% with Laqua, 34% with Buyang, 28% with Northern Zhuang, 22% with Dong, 23% with Laka, 25% with Hlai.
Classification Tai-Kadai, Kadai, Ge-Chi
Language use Those in Viet Nam continue to use the language. Speakers also use Zhuang, Miao, Chinese.
Comments 'Red', 'Flowery', etc., refer to clothing color or other features of physical appearance. Agriculturalists: wet rice; animal husbandry. Traditional religion.

Also spoken in: China
Language name   Lachi
Population 1,153 in China (1990 Liang Min). Population includes 193 Bag Lachi in 37 households, 852 Han Lachi in 179 households, 157 Red Lachi in 27 households, 432 Flowery Lachi in 72 households. Ethnic population: 1,634.
Region Yunnan Province, Wenshan Zhuang-Miao Autonomous Prefecture, southern Maguan County, several villages: Bag Lachi in Nanlao Township, Han Lachi in Renhe and Jiahanqing townships, Red Lachi in Xiaobazi Township, and Flowery Lachi in Jinchang.
Alternate names   La Chi, Lati, Tai Lati, Laji, Lipulio, I To, Y To, Y Poong, Y Mia, Ku Te
Dialects Lipute (Bag Lachi), Liputcio (Han Lachi), Lipuke (Red Lachi), Lipuliongtco (Flowery Lachi), Liputiõ (Black Lachi), Lipupi (Long-Haired Lachi).
Language use Used in the home. Speakers are adults. Those who do not speak Lachi speak Chinese. The Flowery Lachi also speak Chinese, most can speak Southern Zhuang, and some can speak Miao and Dai. Mixed families speak Chinese.

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Part of the Yi nationality, but their language is unrelated to most Yi languages.