Disease By Province Health ()
| 2004 |
| Buja-Rural | 869,244 |
| Gitega | 507,192 |
| Ngozi | 431,872 |
| Buja-Mairie | 385,666 |
| Ruyigi | 337,990 |
| Kayanza | 313,398 |
| Karuzi | 311,300 |
| Makamba | 309,601 |
| Muyinga | 269,786 |
| Kirundo | 219,610 |
| Bururi | 184,145 |
| Cankuzo | 175,941 |
| Mwaro | 165,806 |
| Cibitoke | 159,067 |
| Muramvya | 132,053 |
| Bubanza | 128,348 |
| Rutana | 109,258 |