| 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | |
|---|---|---|---|---|---|---|
| Maradi | 16,56,010 | 17,31,091 | 18,09,452 | 18,91,257 | 19,76,696 | |
| Tahoua | 16,60,934 | 19,14,133 | ||||
| Tillabéri | 13,35,880 | 13,91,748 | 14,49,783 | 15,10,100 | 15,65,025 | |
| Niamey | 5,11,166 | 5,11,903 | 5,31,890 | 5,52,615 | 5,79,178 | |
| Diffa | 3,00,934 | 3,04,246 | 3,21,125 | 3,31,440 | 3,42,117 | |
| Agadez | 2,51,257 | 2,54,839 | 2,63,232 | 2,71,908 | 2,80,878 | |
| Zinder | 14,77,104 | 17,65,496 | 17,67,725 | 18,37,052 | 19,84,709 |