| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Oy | 13,500 | Austro-Asiatic | Mon-Khmer | Bahnaric | Oi-The | |
| ● Jeng | 5,470 | Austro-Asiatic | Mon-Khmer | Bahnaric | Oi-The | |
| ● Sapuan | 5,260 | Austro-Asiatic | Mon-Khmer | Bahnaric | Oi-The | |
| ● The | 3,960 | Austro-Asiatic | Mon-Khmer | Bahnaric | Oi-The | |
| ● Sok | 3,530 | Austro-Asiatic | Mon-Khmer | Bahnaric | Oi-The |