9,830 (2000). Ethnic population: 10,000 (2000 W. Adelaar).
Central and east Pasco Region; Junin 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 (Crevels 2007). Also use Spanish [spa].
Latin script [Latn].
Ethnic autonym: Yanesha.