Bologna — UN urban centre
Bologna: 443,849 people. Reference: 2025 annual estimate · World rank #1,253 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 3342; territory: Italy (ITA). 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: 44.4944, 11.3404. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 447,707 | Estimate |
| 1980 | 449,028 | Estimate |
| 1985 | 443,277 | Estimate |
| 1990 | 433,557 | Estimate |
| 1995 | 423,326 | Estimate |
| 2000 | 410,356 | Estimate |
| 2005 | 410,443 | Estimate |
| 2010 | 426,262 | Estimate |
| 2015 | 434,948 | Estimate |
| 2020 | 443,726 | Estimate |
| 2025 | 443,849 | Estimate |
| 2030 | 440,719 | Projection |
| 2035 | 436,909 | Projection |
| 2040 | 432,539 | Projection |
| 2045 | 423,890 | Projection |
| 2050 | 416,934 | Projection |
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