Niergui
Niergui is a sub-prefecture of Guéra Region in Chad.
Demographics
Ethnic composition by canton in 2016:Abbassié Canton :
| Ethnic group | Linguistic affiliation | Percentage |
| Abassié | East Chadic? | 75 |
| Bidio | East Chadic | 15 |
| Dangléat | East Chadic | 10 |
Bidio Canton :
| Ethnic group | Linguistic affiliation | Percentage |
| Bidio | East Chadic | 90 |
| Arab | Semitic | 3 |
| Mubi | East Chadic | 2 |
Koffa Canton :
| Ethnic group | Linguistic affiliation | Percentage |
| Koffa | East Chadic | 75 |
| Arab | Semitic | 15 |
| Mubi | East Chadic | 10 |