Largest cities or towns in Mauritania
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|---|---|---|---|---|---|---|---|---|---|
| Rank | Name | Region | Pop. | Rank | Name | Region | Pop. | ||
 Nouakchott  Nouadhibou |
1 | Nouakchott | Nouakchott | 1,446,761 | 11 | Adel Bagrou | Hodh Ech Chargui | 37,048 |  Kiffa |
| 2 | Nouadhibou | Dakhlet Nouadhibou | 173,525 | 12 | Aïoun el Atrous | Hodh El Gharbi | 36,517 | ||
| 3 | Kiffa | Assaba | 84,101 | 13 | Hamed | Assaba | 36,448 | ||
| 4 | Vassala | Hodh Ech Chargui | 79,508 | 14 | Tintane | Hodh El Gharbi | 35,995 | ||
| 5 | Kaédi | Gorgol | 62,790 | 15 | Atar | Adrar | 35,171 | ||
| 6 | Zouérat | Tiris Zemmour | 62,380 | 16 | Néma | Hodh Ech Chargui | 35,042 | ||
| 7 | Rosso | Trarza | 61,156 | 17 | Gouraye | Guidimagha | 35,021 | ||
| 8 | Boghé | Brakna | 50,205 | 18 | Timbédra | Hodh Ech Chargui | 34,244 | ||
| 9 | Sélibaby | Guidimagha | 44,966 | 19 | Voum Legleita | Gorgol | 33,314 | ||
| 10 | Guerou | Assaba | 40,315 | 20 | Boutilimit | Trarza | 32,347 | ||
