Ouinhi's 2026 population is now estimated at 73,765. In 1979, the population of Ouinhi was 22,287. Ouinhi has grown by 1,070 in the last year, which represents a 1.47% annual change. These population values and projections come from INStaD Benin - Statistiques Demographiques (RGPH series by commune) and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Abomey-calavi | 880,892 | 2% |
| Cotonou | 820,199 | 1.34% |
| Djougou | 334,084 | 1.58% |
| Parakou | 326,324 | 1.73% |
| Banikoara | 319,262 | 1.73% |
| Porto-Novo | 314,100 | 1.25% |
| Seme-Kpodji | 294,256 | 1.87% |
| Tchaourou | 289,877 | 1.86% |
| Kandi | 224,537 | 1.63% |
| Kalale | 217,509 | 1.76% |
| Malanville | 217,403 | 1.78% |
| Bohicon | 215,642 | 1.63% |
| Aplahoue | 215,305 | 1.64% |
| Ketou | 201,189 | 1.74% |
| Ouidah | 200,324 | 1.51% |
| Nikki | 194,508 | 1.77% |
| Ouesse | 184,817 | 1.82% |
| Savalou | 180,810 | 1.56% |
| Bassila | 167,381 | 1.71% |
| Djakotome | 165,889 | 1.47% |
| Za-kpota | 163,096 | 1.47% |
| Klouekame | 160,150 | 1.54% |
| Avrankou | 160,053 | 1.43% |
| Bembereke | 159,744 | 1.68% |
| Glazoue | 156,738 | 1.66% |
| Djidja | 154,436 | 1.55% |
| Pobe | 153,961 | 1.53% |
| Gogounou | 152,338 | 1.78% |
| Akpro_missrete | 152,158 | 1.57% |
| Allada | 151,661 | 1.24% |
| So-Ava | 148,402 | 1.57% |
| Adja-ouere | 147,832 | 1.69% |
| N'dali | 147,622 | 1.75% |
| Lalo | 146,085 | 1.44% |
| Dassa-zoume | 140,037 | 1.56% |
| Kouande | 139,238 | 1.53% |
| Ifangni | 138,453 | 1.39% |
| Bante | 138,064 | 1.76% |
| Sakete | 137,726 | 1.33% |
| Materi | 136,195 | 1.44% |
| Ze | 132,409 | 1.5% |
| Lokossa | 131,085 | 1.59% |
| Natitingou | 128,622 | 1.49% |
| Kerou | 125,067 | 1.67% |
| Dogbo | 123,014 | 1.34% |
| Houeyogbe | 122,920 | 1.4% |
| Toffo | 122,654 | 1.38% |
| Adjarra | 120,137 | 1.51% |
| Bopa | 117,520 | 1.39% |
| Segbana | 115,553 | 1.78% |
| Sinende | 113,108 | 1.71% |
| Dangbo | 112,700 | 1.16% |
| Zogbodomey | 112,493 | 1.26% |
| Save | 111,210 | 1.68% |
| Abomey | 109,051 | 1.16% |
| Toviklin | 108,398 | 1.5% |
| Perere | 101,361 | 1.71% |
| Pehunco | 99,671 | 1.69% |
| Come | 97,862 | 1.45% |
| Boukoumbe | 95,957 | 1.04% |
| Tanguieta | 91,481 | 1.51% |
| Ouake | 90,430 | 1.42% |
| Adjohoun | 87,130 | 1.09% |
| Copargo | 85,508 | 1.3% |
| Agbangnizoun | 85,280 | 1.15% |
| Cobly | 84,514 | 1.44% |
| Karimama | 84,034 | 1.61% |
| Kpomasse | 77,668 | 0.99% |
| Ouinhi | 73,765 | 1.47% |
| Grand-popo | 68,901 | 1.29% |
| Tori-Bossito | 68,320 | 1.24% |
| Athieme | 67,329 | 1.28% |
| Zagnanado | 65,054 | 1.21% |
| Cove | 59,095 | 1.17% |
| Aguegues | 55,312 | 1.53% |
| Bonou | 53,970 | 1.38% |
| Toucountouna | 49,583 | 1.51% |
