500 in Bolivia (Crevels 2007). Ethnic population: 940 (2006 PIB). Total users in all countries: 1,090.
El Beni, La Paz, and Pando departments; Portachuelo Alto, Portachuelo Bajo, Portachuelo Medio; into foothills on Beni and Madre de Dios rivers.
Each clan has slight dialect differences; all seem inherently intelligible. Most divergent Tacanan language. Tambopata dialect in Peru somewhat different from the Bolivian dialect.
All ages. Also use Spanish [spa].
Latin script [Latn].