Information from: “personal communication on Japonic languages” . Thomas Dougherty (2014)
100 percent certain, based on the evidence available
Unknown; perhaps only a few thousand
Most speakers are over the age of 50 and are bilingual in Yaeyama and Japanese.
DATE OF INFO
DOMAINS OF USE
SPEAKER NUMBER TRENDS
MORE ON VITALITY
"Younger Yaeyama speakers are L1 Japanese speakers, and L2 Yaeyama learners (most people under 40 who learn are involved in traditional Okinawan culture, like the theater, with a growing number of language activists). And basically no children learn it at home from their parents, though there have been efforts to establish a language nest."
OTHER LANGUAGES USED BY THE COMMUNITY
LANGUAGE CONTEXT COMMENTS
"'Language nest' is implemented at the community level, though the government has issued statements that it is certainly not opposed."
Scripts (Writing system)
More on Orthography
It's not written until quite recently and speakers don't write much.
The Yaeyama (八重山) Islands
Information from: “Atlas of the World’s Languages in Danger” . Christopher Moseley (ed.) (2010) UNESCO Publishing
Information from: “Ethnologue: Languages of the World, 16th Edition (2009)” . M. Paul Lewis · SIL International