Tanzanian Sign LanguagePrint
L1 users: 278,000 (2008 WFD). 278,000 deaf signers (2008 WFD).
Scattered, mainly in urban areas.
None known. The sign language in the Moshi-Kilamanjaro region is significantly different, to a degree yet to be determined. Distinct from sign languages in surrounding countries.
All domains. All ages.
Historically, schools for the deaf used different sign languages, and some schools teach only speech and lip-reading. More recently, Tanzanian Sign Language was standardized by the Tanzania Association for the Deaf which is attempting to use it in most schools for the deaf.