| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Apurina | 7,330 | Arawakan | Maipuran | Southern Maipuran | Purus | |
| ● Yine | 4,930 | Arawakan | Maipuran | Southern Maipuran | Purus | |
| ● Machinere | 970 | Arawakan | Maipuran | Southern Maipuran | Purus | |
| ● Mashco Piro | 270 | Arawakan | Maipuran | Southern Maipuran | Purus | |
| ● Inapari | 5 | Arawakan | Maipuran | Southern Maipuran | Purus |