115,000 (2005 SIL). Ethnic population: 115,000. 70,000 Kwaya and 45,000 Ruri.
Mara region: Musoma rural district, Nyanja division, and Musoma urban district.
SVO; 5-vowel system contrasted long and short vowels, H-L Lexical tone on verbs and nouns, H-L grammatical tone.
People moving to the area learn Kwaya. Most domains. All ages. Positive attitudes.
Latin script [Latn].
Christian, traditional religion.