74,600 (2000 INALI). 30%–35% monolingual. Over 100,000 Mazatec speakers live outside the Mazatec homeland, mostly in major cities (2005 census). Probably at least half speak L1.
North Oaxaca, Huautla and vicinity.
Mazateco de presa alto, Mazateco del norte, San Mateo, San Miguel. 90% intelligibility of San Jerónimo Tecóatl [maa] (most similar, but less in outlying areas), 60% of Mazatlán, 35% of Jalapa [maj]. Lexical similarity: 94% with San Miguel, 93% with San Mateo, 80% with Soyaltepec, 78% with San Pedro Ixcatlán, 74% with Jalapa de Díaz.
Short words; tonal; whistle speech, distinguishing tones of the spoken language (Cowan 1948, 1952)
Traditional religion, Christian.