| Location | Roller Coasters | % | Population | RCMP | Area (sq mi) | Density |
|---|---|---|---|---|---|---|
| Adrar | - | - | 62658 | - | 86226.902517 | - |
| Assaba | - | - | 325897 | - | 13901.367804 | - |
| Brakna | - | - | 312277 | - | 12867.966448 | - |
| Dakhlet Nouadhibou | - | - | 123779 | - | 6756.812685 | - |
| Gorgol | - | - | 335917 | - | 5345.702305 | - |
| Guidimaka | - | - | 267029 | - | 4142.317136 | - |
| Hodh Ech Chargui | - | - | 430668 | - | 72388.426773 | - |
| Hodh El Gharbi | - | - | 294109 | - | 19480.453137 | - |
| Inchiri | - | - | 19639 | - | 17313.411865 | - |
| Nouakchott | - | - | 958399 | - | 580.081094 | - |
| Tagant | - | - | 80962 | - | 36775.931280 | - |
| Tiris Zemmour | - | - | 53261 | - | 100767.711818 | - |
| Trarza | - | - | 272773 | - | 26650.142894 | - |