List of cities in Mauritania by population. There are 137 cities in Mauritania, of which Nouakchott is the largest in terms of population - 870 084. The total number of people in Mauritania is 3 631 849 for 2026.
| # | Name, city | Population |
|---|---|---|
| 1 | Nouakchott | 870 084 |
| 2 | Kiffa | 91 423 |
| 3 | Nouadhibou | 85 423 |
| 4 | Roso | 80 946 |
| 5 | Kajhajdi | 56 983 |
| 6 | Surat | 56 902 |
| 7 | NEMA | 46 020 |
| 8 | Butilimit | 41 353 |
| 9 | Selibabi | 38 950 |
| 10 | Atar | 32 876 |
| 11 | Hera | 31 200 |
| 12 | Timbedra | 30 574 |
| 13 | God | 30 222 |
| 14 | Magta-Lahjar | 28 499 |
| 15 | Ayoun-El-atrous | 27 753 |
| 16 | Alak | 27 543 |
| 17 | Tintin | 21 654 |
| 18 | Tidjikja | 18 942 |
| 19 | Adele-Bagru | 17 779 |
| 20 | Bababé | 14 515 |
| 21 | Oualata | 14 258 |
| 22 | Segga | 13 308 |
| 23 | Akzhuzht | 10 289 |
| 24 | Diovol | 9 702 |
| 25 | But | 8 295 |
| 26 | Fudajrik | 6 673 |
| 27 | Mahama | 5 911 |
| 28 | Kobenni | 5 521 |
| 29 | Chinguetti | 4 430 |