39,800 (2011 UNSD). 120 monolinguals (1995 census). Ethnic population: 100,000 (1983).
Sonora state: Navojoa (Huatabampo) area; Sinaloa state: Guasave, Los Mochis, San José Ríos, north of Guamuchil. 100 villages or more.
None known. 90% intelligibility of Yaqui [yaq].
SOV; medium word length, clitics, affixes; nontonal.
Government scholarships offered to young people who demonstrate Mayo proficiency. Mainly older adults. Mixed attitudes. Also use Spanish [spa].
Latin script [Latn].
Mayo people reticent to identify as Mayo. Monolinguals avoid contact with outsiders. Prefer Mayo. Traditional religion, Christian.