Porto-Novo — UN urban centre
Porto-Novo: 818,617 people. Reference: 2025 annual estimate · World rank #642 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 2241; territory: Benin (BEN). UN source workbook.
Method: Degree of Urbanisation (contiguous 1 km2 cells, density 1,500+ people/km2, total 50,000+). This is a source-defined urban centre, not a municipality or province. No association with a separate administrative entity is inferred from proximity or name.
Source centroid: 6.5008, 2.6263. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 181,963 | Estimate |
| 1980 | 213,741 | Estimate |
| 1985 | 243,557 | Estimate |
| 1990 | 282,995 | Estimate |
| 1995 | 329,132 | Estimate |
| 2000 | 375,797 | Estimate |
| 2005 | 485,955 | Estimate |
| 2010 | 567,101 | Estimate |
| 2015 | 668,415 | Estimate |
| 2020 | 747,602 | Estimate |
| 2025 | 818,617 | Estimate |
| 2030 | 899,516 | Projection |
| 2035 | 998,173 | Projection |
| 2040 | 1,069,284 | Projection |
| 2045 | 1,126,761 | Projection |
| 2050 | 1,201,491 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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