Madagascar Sign LanguagePrint
110,000 (2014 IMB). Estimated 170,000, based on 1% of general population (2014 Rajaonary Theodoric, World Association of Sign Language Interpreters).
None known. Reportedly similar to Norwegian Sign Language [nsl], but this needs verification.
Vigorous. All ages.
7 deaf schools sponsored by Evangelical Lutherans. 5 working sign language interpreters (2014 World Association of Sign Language Interpreters).