| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Tucano | 14,520 | Tucanoan | Eastern Tucanoan | |||
| ● Desano | 3,830 | Tucanoan | Eastern Tucanoan | |||
| ● Barasana-Eduria | 2,320 | Tucanoan | Eastern Tucanoan | |||
| ● Piratapuyo | 2,110 | Tucanoan | Eastern Tucanoan | |||
| ● Guanano | 2,090 | Tucanoan | Eastern Tucanoan | |||
| ● Macuna | 2,070 | Tucanoan | Eastern Tucanoan | |||
| ● Tuyuca | 1,460 | Tucanoan | Eastern Tucanoan | |||
| ● Wajiara | 1,200 | Tucanoan | Eastern Tucanoan | |||
| ● Carapana | 940 | Tucanoan | Eastern Tucanoan | |||
| ● Waimaha | 810 | Tucanoan | Eastern Tucanoan | |||
| ● Tatuyo | 430 | Tucanoan | Eastern Tucanoan | |||
| ● Siriano | 220 | Tucanoan | Eastern Tucanoan | |||
| ● Pokanga | 180 | Tucanoan | Eastern Tucanoan |