900 in Ecuador (2001 SIL), increasing. Population total all countries: 2,400. Many monolinguals. Ethnic population: 1,500.
Colombia and Ecuador border areas, Napo Province near Santa Rosa de Sucumbios, and down Aguarico river 130 km; Sucumbios Province. 5 main centers.
None known. Variously classified as Chibchan with Western Tucanoan features (Ferndon, Borman), Barbacoan (J. Mason), or Jivaroan (Ruhlen 1987). Some Witotoan influences.
Vigorous. Some Siona and Secoya have learned Cofán due to intermarriage, and their children learn Cofán. All domains. All ages. Positive attitudes. Schools are in Spanish [spa], except for early grades which provide bilingual education. Also use Napo Lowland Quechua [qvo], Secoya [sey], Siona [snn].
Latin script [Latn].
Traditional religion, Christian.