||69,000 in Laos (1999). Population total all countries: 124,600.
||East Savannehkhet Province, Sepone District. Also in Viet Nam.
Laos, reference number 10
||Leun (Leung, Kaleu), Tri (So Tri, So Trii, Chali). Partially intelligible with Western Bru [brv] of Thailand. Related to Khua [xhv]. The Mangkong dialect in Viet Nam and eastern Laos is a dialect of Eastern Bru, different linguistically from the Mangkong that are the same as So [sss] of Thailand. Mangkong is also an ethnic group.
||Austro-Asiatic, Mon-Khmer, Eastern Mon-Khmer, Katuic, West Katuic, Brou-So
||Literacy rate in L1: 1%–5%. Literacy rate in L2: 15%–25%. Radio programs. Dictionary. NT: 1981.
||Lao script. Latin script. Thai script.