6,100 in Colombia (Civallero 2008), increasing. No monolinguals. Total users in all countries: 6,260.
Vaupés department: Cuduyari, Querarí, and Vaupés rivers and tributaries; possibly also in Guainía department.
3 (Wider communication). Cubeo is lingua franca for northwest Vaupés area and Tucano [tuo] is the lingua franca for the southeast section.
Latin script [Latn].
Exogamous marriage pattern with speakers of other languages. Decrease in infant mortality has caused an increase in population. Traditional religion, Christian.