Genealogy:
Demographics: 1,000, decreasing. 150 monolinguals. Ethnic population: 2,000.
Language Use: Home. Mainly older adults. Neutral attitudes. Also use Malaysian Sign Language [xml].
Language Development: Literacy rate in L1: 0%. Literacy rate in L2: Up to 50% in English.
Writing System: Unwritten
Nation of Origin: Malaysia
Other Comments: Deaf school established 1954, with only oral method. Sign language evolved outside the classroom. Use declined late 1970s due to spread of other sign languages.