| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Capital (Nouakchott) | 8569 |
23.8%
|
| 1 | Small city (Nouadibou/Kiffa) | 2719 |
7.5%
|
| 2 | Town (other cities) | 10295 |
28.6%
|
| 3 | Countryside (rural) | 14465 |
40.1%
|