9,830 (2000). Ethnic population: 10,000 (2000 W. Adelaar).
Central and east Pasco Region; Junín Region, western jungle, headwaters of Pachitea and Perené rivers.
5 (Developing). Recognized language (1993, Constitution, Article 48).
There is a bilingual education program but in some areas (Lower Palcazú) children no longer acquire the language (2007).
Ethnic autonym: Yanesha.