Bilbao — UN urban centre
Bilbao: 741,795 people. Reference: 2025 annual estimate · World rank #721 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 4021; territory: Spain (ESP). 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: 43.2831, -2.9605. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 900,398 | Estimate |
| 1980 | 908,644 | Estimate |
| 1985 | 875,240 | Estimate |
| 1990 | 827,918 | Estimate |
| 1995 | 806,805 | Estimate |
| 2000 | 785,180 | Estimate |
| 2005 | 798,605 | Estimate |
| 2010 | 808,253 | Estimate |
| 2015 | 767,717 | Estimate |
| 2020 | 754,280 | Estimate |
| 2025 | 741,795 | Estimate |
| 2030 | 725,620 | Projection |
| 2035 | 711,233 | Projection |
| 2040 | 695,245 | Projection |
| 2045 | 679,902 | Projection |
| 2050 | 661,007 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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