ニジェールにおける人口10万人以上の市街地(人口順)は以下の通りです。
市街地(または都市集積)人口とは、都市密度の水準で居住されている連続した地域の輪郭内に含まれる人口を指し、通常は都市とその周辺の郊外で構成されます。
| 順位 | 都市圏 | 人口推定(2025) | 1年間の変動(2024年比) | 陸地面積(km²) | 人口密度(人/km²) | 世界ランキング | 将来推計 (2030年) | 将来推計 (2050年) |
|---|---|---|---|---|---|---|---|---|
| 1 | Niamey | 1,401,149 | 1.08% | 221 | 6,340 | 361 | 1,523,701 | 1,822,776 |
| 2 | Zinder | 740,218 | 2.23% | 49 | 15,106 | 722 | 839,638 | 1,133,237 |
| 3 | Maradi | 666,205 | 2.65% | 68 | 9,797 | 813 | 759,359 | 1,102,938 |
| 4 | Tahoua | 342,253 | 2.51% | 31 | 11,040 | 1,672 | 389,188 | 556,632 |
| 5 | Agadez | 335,322 | 2.5% | 28 | 11,976 | 1,712 | 381,111 | 568,590 |
| 6 | Dosso | 238,280 | 1.39% | 21 | 11,347 | 2,458 | 259,907 | 333,283 |
| 7 | Abalak | 170,052 | 2.34% | 12 | 14,171 | 3,556 | 193,471 | 289,174 |
| 8 | Birni N'Konni | 163,662 | 2.18% | 13 | 12,589 | 3,705 | 182,051 | 290,036 |
| 9 | Tessaoua | 161,611 | 2.03% | 10 | 16,161 | 3,744 | 180,040 | 235,742 |
| 10 | Madaoua | 156,053 | 2.58% | 15 | 10,404 | 3,883 | 174,700 | 313,767 |
| 11 | Gaya | 149,659 | 2.15% | 18 | 8,314 | 4,050 | 165,141 | 212,996 |
| 12 | Tchin-Tabaraden | 139,454 | 2.43% | 9 | 15,495 | 4,375 | 157,052 | 227,883 |
| 13 | Magaria | 130,718 | 2.46% | 10 | 13,072 | 4,671 | 158,172 | 243,974 |
| 14 | Dogondoutchi | 127,652 | 1.3% | 12 | 10,638 | 4,794 | 137,693 | 179,755 |
| 15 | Dakoro | 123,288 | 2.87% | 10 | 12,329 | 4,971 | 140,967 | 201,654 |
| 16 | Diffa | 116,245 | 2.85% | 18 | 6,458 | 5,282 | 140,801 | 208,627 |
| 17 | Arlit | 114,505 | 2.47% | 13 | 8,808 | 5,374 | 130,853 | 182,275 |
| 18 | Téra | 103,843 | 1.79% | 9 | 11,538 | 5,960 | 113,432 | 151,165 |
| 19 | Tillabéri | 85,323 | 2.59% | 13 | 6,563 | 7,301 | 95,728 | 134,523 |
| 20 | Tanout | 84,264 | 3.65% | 8 | 10,533 | 7,399 | 97,991 | 147,613 |
| 21 | Maïné-Soroa | 82,158 | 3.16% | 8 | 10,270 | 7,587 | 96,477 | 150,326 |
| 22 | Matamèye | 74,317 | 3.11% | 6 | 12,386 | 8,401 | 85,316 | 145,890 |
| 23 | Illela | 73,704 | 3.26% | 10 | 7,370 | 8,451 | 86,378 | 140,451 |
| 24 | Torodi | 67,834 | 2.07% | 8 | 8,479 | 9,139 | 75,954 | 103,644 |
| 25 | Tchadoua | 67,154 | 3.77% | 7 | 9,593 | 9,225 | 77,712 | 117,677 |
| 26 | N'guigmi | 65,669 | 3.25% | 7 | 9,381 | 9,440 | 77,358 | 120,767 |
| 27 | Bouza | 63,901 | 3.36% | 6 | 10,650 | 9,693 | 73,825 | 121,225 |
| 28 | Mayahi | 62,463 | 3.21% | 6 | 10,411 | 9,935 | 73,060 | 110,961 |
| 29 | Filingué | 61,244 | 1.73% | 8 | 7,656 | 10,132 | 68,885 | 94,004 |
| 30 | Gouré | 59,038 | – | 7 | 8,434 | 10,474 | 67,745 | 100,800 |
| 31 | Guidan Roumdji | 58,854 | – | 8 | 7,357 | 10,500 | 70,688 | 112,890 |
| 32 | Aguié | 58,055 | 2.72% | 6 | 9,676 | 10,632 | 66,560 | 99,493 |
| 33 | Gazaoua | 55,239 | – | 4 | 13,810 | 11,146 | 69,146 | 104,887 |
| 34 | Birni N'Gaouré | 52,025 | – | 7 | 7,432 | 11,811 | 59,318 | 77,436 |
| 35 | Tamaské Sabon Guida | 51,775 | – | 6 | 8,629 | 11,860 | 59,077 | 89,915 |
出典: 国際連合経済社会局人口部 (2025)。世界都市化予測: 2025年改訂版、オンライン版。