| 2005 | 2010 | 2011 | 2013 | |
|---|---|---|---|---|
| Gitega | 3 461 | 13 074 | 8 460 | 13 620 |
| Bururi | 3 375 | 10 912 | 4 738 | 12 810 |
| Kayanza | 2 459 | 8 956 | 5 289 | 10 627 |
| Bujumbura Rural | 2 734 | 8 780 | 6 227 | 10 125 |
| Ngozi | 2 272 | 6 107 | 5 239 | 9 849 |
| Makamba | 2 291 | 6 096 | 3 990 | 9 444 |
| Bujumbura Mairie | 3 773 | 6 493 | 5 394 | 8 828 |
| Muyinga | 1 789 | 5 296 | 4 575 | 7 888 |
| Kirundo | 1 833 | 4 765 | 3 760 | 7 273 |
| Muramvya | 2 070 | 4 654 | 5 239 | 6 926 |
| Mwaro | 2 020 | 4 238 | 3 768 | 6 610 |
| Rutana | 1 680 | 5 053 | 4 091 | 5 957 |
| Karuzi | 1 674 | 5 392 | 4 057 | 5 851 |
| Cibitoke | 1 991 | 4 810 | 3 287 | 5 520 |
| Bubanza | 1 403 | 3 964 | 3 083 | 4 654 |
| Ruyigi | 1 345 | 5 069 | 3 166 | 3 897 |
| Cankuzo | 926 | 2 600 | 2 170 | 3 610 |
| Rumonge | 5 714 |