| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Capital (Nouakchott) | 241 |
32.5%
|
| 1 | Small city (Nouadibou/Kiffa) | 64 |
8.6%
|
| 2 | Town (other cities) | 158 |
21.3%
|
| 3 | Countryside (rural) | 279 |
37.6%
|