Brazzaville — UN urban centre
Brazzaville: 3,656,322 people. Reference: 2025 annual estimate · World rank #126 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 554; territory: Republic of the Congo (COG). 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: -4.2442, 15.2626. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 564,284 | Estimate |
| 1980 | 731,108 | Estimate |
| 1985 | 921,792 | Estimate |
| 1990 | 1,021,751 | Estimate |
| 1995 | 1,125,273 | Estimate |
| 2000 | 1,273,433 | Estimate |
| 2005 | 1,490,326 | Estimate |
| 2010 | 1,961,066 | Estimate |
| 2015 | 2,611,329 | Estimate |
| 2020 | 3,293,610 | Estimate |
| 2025 | 3,656,322 | Estimate |
| 2030 | 4,062,002 | Projection |
| 2035 | 4,474,782 | Projection |
| 2040 | 4,912,200 | Projection |
| 2045 | 5,311,302 | Projection |
| 2050 | 5,730,423 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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