4,044,000 in Kenya (2009 census), increasing. Total users in all countries: 4,184,000.
Siaya, Kisumu, Homa Bay, and Migori counties; northern Nyamira and Kisii counties; Busia and Kakamega counties: border areas. Kavirondo Gulf area.
SVO; verb affixes mark person, number, object; tense; 26 consonant and 5 vowel phonemes; tonal (4 tones: high, low, falling, rising); vowel harmony (ATR).
Latin script [Latn].
Different from Luwo [lwo] (Luo, Jur Lwo) of South Sudan. The people are Luo; the language is Dholuo. Christian, traditional religion.