Ouani's 2026 population is now estimated at 27,794. In 2017, the population of Ouani was 22,502. Ouani has grown by 645 in the last year, which represents a 2.38% annual change. These population values and projections come from Comoros OpenData for Africa commune population by sex and year and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Moroni | 90,383 | 2.13% |
| Mutsamudu | 43,159 | 2.37% |
| Bambao Mtrouni | 34,484 | 2.38% |
| Moya | 29,820 | 2.38% |
| Ouani | 27,794 | 2.38% |
| Adda | 26,532 | 2.37% |
| Mbambao Ya Hari | 25,215 | 2.13% |
| Bangaani | 23,405 | 2.13% |
| Koni | 23,321 | 2.37% |
| Bazimini | 22,813 | 2.37% |
| Sima | 22,745 | 2.37% |
| Fomboni | 22,343 | 2.89% |
| Vouani | 20,701 | 2.37% |
| Mremani | 19,522 | 2.38% |
| Domoni | 19,296 | 2.37% |
| Itsahidi | 18,403 | 2.13% |
| Nioumagama | 17,354 | 2.13% |
| Bambao Mstanga | 17,019 | 2.38% |
| Hamanvou | 16,670 | 2.13% |
| Nyuma Msiru | 16,476 | 2.13% |
| Mbambao Ya Djou | 16,351 | 2.13% |
| Tsinimoipangua | 16,251 | 2.13% |
| Nyumamro Souheili | 14,812 | 2.13% |
| Mirontsi | 14,767 | 2.38% |
| Mbambao Ya Boina | 14,636 | 2.13% |
| Nyumamro Kiblani | 14,615 | 2.13% |
| Pimba | 14,417 | 2.13% |
| Jimlime | 14,181 | 2.38% |
| Mboinkou | 13,991 | 2.13% |
| Ongojou | 13,840 | 2.37% |
| Nyuma Mro | 13,834 | 2.13% |
| Dimani | 13,795 | 2.13% |
| Ngadzale | 12,523 | 2.37% |
| Djando | 12,078 | 2.89% |
| Bandrani Ya Chironkamba | 12,021 | 2.38% |
| Mitsamiouli | 11,976 | 2.13% |
| Mramani | 11,810 | 2.38% |
| Djoumoipangua | 11,284 | 2.13% |
| Ngouengoe | 11,173 | 2.13% |
| Oichili Yadjou | 10,710 | 2.13% |
| Mbadani | 10,238 | 2.13% |
| Mledjele | 10,229 | 2.89% |
| Isahari | 10,012 | 2.13% |
| Domba | 9,868 | 2.13% |
| Cembenoi Lac Sale | 9,584 | 2.13% |
| Moili Mdjini | 9,579 | 2.89% |
| Nyuma Komo | 9,203 | 2.13% |
| Shaweni | 9,129 | 2.38% |
| Djoumoichongo | 8,998 | 2.13% |
| Bandrani Ya Mitsangani | 8,894 | 2.37% |
| Moinbassa | 7,924 | 2.9% |
| Cembenoi Sada Djoulamlima | 7,705 | 2.13% |
| Oichili Yaboini | 7,283 | 2.13% |
| Moimbao | 4,485 | 2.89% |
