Cologne — UN urban centre
Cologne: 1,125,292 people. Reference: 2025 annual estimate · World rank #459 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 1160; territory: Germany (DEU). 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: 50.9664, 6.9717. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 866,115 | Estimate |
| 1980 | 914,456 | Estimate |
| 1985 | 871,333 | Estimate |
| 1990 | 909,615 | Estimate |
| 1995 | 956,814 | Estimate |
| 2000 | 949,868 | Estimate |
| 2005 | 965,071 | Estimate |
| 2010 | 992,028 | Estimate |
| 2015 | 1,027,100 | Estimate |
| 2020 | 1,116,848 | Estimate |
| 2025 | 1,125,292 | Estimate |
| 2030 | 1,107,544 | Projection |
| 2035 | 1,095,184 | Projection |
| 2040 | 1,082,729 | Projection |
| 2045 | 1,070,983 | Projection |
| 2050 | 1,057,389 | Projection |
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