Aachen — UN urban centre
Aachen: 243,905 people. Reference: 2025 annual estimate · World rank #2,396 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 58; 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: 50.7745, 6.1066. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 197,986 | Estimate |
| 1980 | 198,212 | Estimate |
| 1985 | 190,186 | Estimate |
| 1990 | 188,387 | Estimate |
| 1995 | 200,429 | Estimate |
| 2000 | 197,400 | Estimate |
| 2005 | 211,781 | Estimate |
| 2010 | 200,744 | Estimate |
| 2015 | 194,942 | Estimate |
| 2020 | 212,040 | Estimate |
| 2025 | 243,905 | Estimate |
| 2030 | 210,355 | Projection |
| 2035 | 208,015 | Projection |
| 2040 | 205,657 | Projection |
| 2045 | 203,429 | Projection |
| 2050 | 200,850 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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