Rusizi's 2026 population is now estimated at 524,210. In 2002, the population of Rusizi was 331,950. Rusizi has grown by 9,950 in the last year, which represents a 1.93% annual change. These population values and projections come from Rwanda admin census series 2002-2012 via CityPopulation NISR attribution, Rwanda admin census 2022 via CityPopulation NISR attribution and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Kigali | 2,075,215 | 4.42% |
| Gasabo | 1,074,230 | 5.13% |
| Nyagatare | 748,823 | 3.45% |
| Bugesera | 652,054 | 4.29% |
| Rubavu | 617,195 | 3.08% |
| Gatsibo | 607,002 | 2.44% |
| Kicukiro | 584,978 | 4.44% |
| Rwamagana | 577,439 | 4.46% |
| Musanze | 528,264 | 2.61% |
| Rusizi | 524,210 | 1.93% |
| Kirehe | 520,256 | 3.08% |
| Kayonza | 512,139 | 2.88% |
| Kamonyi | 504,424 | 2.85% |
| Gicumbi | 472,064 | 1.27% |
| Nyamasheke | 457,150 | 1.29% |
| Ngoma | 434,501 | 1.83% |
| Gisagara | 431,489 | 2.1% |
| Nyarugenge | 417,704 | 2.78% |
| Burera | 410,302 | 1.42% |
| Huye | 405,667 | 1.52% |
| Rulindo | 394,005 | 2.27% |
| Karongi | 392,150 | 1.2% |
| Rutsiro | 388,656 | 1.29% |
| Nyamagabe | 384,231 | 0.85% |
| Nyanza | 384,006 | 1.23% |
| Ngororero | 382,616 | 0.98% |
| Gakenke | 376,712 | 0.77% |
| Ruhango | 376,131 | 1.16% |
| Muhanga | 375,472 | 1.17% |
| Nyabihu | 329,322 | 0.8% |
| Nyaruguru | 328,173 | 0.78% |
