670,000 (Johnstone and Mandryk 2001).
Southwest central, Iringa Region, Njombe district; southwest Morogoro and north Ruvuma regions; some in Mbeya Region.
SVO; prepositions; noun classes; 22 consonant phonemes; verbal affixation; 10 vowel phonemes (5 qualities, each with phonemic length contrast); tonal.
Private domains, market, traditional rituals. All ages. Positive attitudes.
Latin script [Latn].