Nùng is a Tai–Kadai language spoken mostly in Cao Bằng and Lạng Sơn provinces in Vietnam. It is also known as Bu-Nong, Highland Nung, Nong, Tai Nung, Tay, and Tày Nùng. It should be confused with neither the Tibeto-Burman language also called Nung. It is a name given to the various Tai languages of northern Vietnam that are spoken by peoples classified as Nung by the Vietnamese government.
In the 1999 census, it had about 850,000 speakers.
Nung consists of many varieties, some of which are listed below.
Nùng Vên (En), a language formerly undistinguished from its surrounding Central Tai dialects, was discovered to be a Kra language by Hoàng Văn Ma and Jerold A. Edmondson in 1998. Its speakers are classified as Nùng by the Vietnamese government.
- ^ Edmondson, Jerold A., Solnit, David B. (eds). 1997. Comparative Kadai: the Tai branch. Summer Institute of Linguistics and the University of Texas at Arlington Publications in Linguistics 124. Dallas: Summer Institute of Linguistics and the University of Texas at Arlington.
- ^ http://ling.uta.edu/~jerry/research/map.html
See also 
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