| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Capital (Nouakchott) | 1162 |
24.4%
|
| 1 | Small city (Nouadibou/Kiffa) | 435 |
9.1%
|
| 2 | Town (other cities) | 1181 |
24.8%
|
| 3 | Countryside (rural) | 1986 |
41.7%
|