| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Capital (Nouakchott) | 1464 |
23.8%
|
| 1 | Small city (Nouadibou/Kiffa) | 435 |
7.1%
|
| 2 | Town (other cities) | 1741 |
28.3%
|
| 3 | Countryside (rural) | 2509 |
40.8%
|