Ethnic population: 67,700 (2000).
Southern Okinawa; Miyako, Ogami, Ikema, Kurima, Irabu, Tarama, Minna islands.
Irabu-Jima, Miyako-Jima (Hirara, Ogami), Tarama-Minna. Not intelligible of Ryukyuan languages and Japanese [jpn]. Dialects listed have noticeable differences, but communication is not impossible.
Mainly older adults. The younger they are, the more fluently they speak Japanese [jpn] (Wurm and Hattori 1981). Those under 20 are mainly monolingual in Japanese (1989 T. Fukuda).