Alternate Names: High Katu
Dialects: None known. Western Katu , is a different language with a different orthography in Laos.
Genealogy:
Demographics: 50,500 (1999 census).
Language Use: Also use Vietnamese [vie].
Language Development: Literacy rate in L1: Below 1%. Literacy rate in L2: 5%–15%. Radio programs. Dictionary. NT: 1978–2007.
Writing System: Latin
Nation of Origin: Viet Nam
Other Comments: Part of the Co Tu official ethnic community (61,588, 2009 census) which includes Phuong ,. Traditional religion, Christian.