| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Ndo | 236,700 | Nilo-Saharan | East Central Sudanic | Mangbutu-Efe | ||
| ● Mamvu | 108,000 | Nilo-Saharan | East Central Sudanic | Mangbutu-Efe | ||
| ● Lese | 90,100 | Nilo-Saharan | East Central Sudanic | Mangbutu-Efe | ||
| ● Efe | 36,000 | Nilo-Saharan | East Central Sudanic | Mangbutu-Efe | ||
| ● Mangbutu | 27,000 | Nilo-Saharan | East Central Sudanic | Mangbutu-Efe | ||
| ● Mvuba | 6,070 | Nilo-Saharan | East Central Sudanic | Mangbutu-Efe |