Bacău — UN urban centre
Bacău: 128,303 people. Reference: 2025 annual estimate · World rank #4,762 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 2405; territory: Romania (ROU). 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: 46.5618, 26.9126. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 97,933 | Estimate |
| 1980 | 119,107 | Estimate |
| 1985 | 141,474 | Estimate |
| 1990 | 169,163 | Estimate |
| 1995 | 170,866 | Estimate |
| 2000 | 157,925 | Estimate |
| 2005 | 148,524 | Estimate |
| 2010 | 137,823 | Estimate |
| 2015 | 130,465 | Estimate |
| 2020 | 130,053 | Estimate |
| 2025 | 128,303 | Estimate |
| 2030 | 126,109 | Projection |
| 2035 | 124,457 | Projection |
| 2040 | 122,668 | Projection |
| 2045 | 120,916 | Projection |
| 2050 | 119,138 | Projection |
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This page is a structured reference entry. Its sources, geographic definition and reference dates determine what the figures mean; it is not independent reporting about the causes of change. Read the accompanying explanation before comparing different places or vintages.