4,750 (CIP-EY 2002). Tungho: more active use. Taai: a few speakers; nearly assimilated into Atayal. Ethnic population: 7,900.
Western mountains, west of the Atayal [tay], Nanchuang Township, Miaoli County and Wufong Township, Hsinchu County.
Taai (North Saiset), Tungho (South Saiset). Dialect differences are mainly phonological and lexical (1978 P. Li).