Buenos Aires — UN urban centre
Buenos Aires: 14,017,736 people. Reference: 2025 annual estimate · World rank #21 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 4459; territory: Argentina (ARG). 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: -34.6508, -58.5128. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 8,560,900 | Estimate |
| 1980 | 9,276,947 | Estimate |
| 1985 | 9,814,790 | Estimate |
| 1990 | 10,434,266 | Estimate |
| 1995 | 11,066,641 | Estimate |
| 2000 | 11,711,634 | Estimate |
| 2005 | 12,474,463 | Estimate |
| 2010 | 13,343,013 | Estimate |
| 2015 | 13,767,054 | Estimate |
| 2020 | 13,941,208 | Estimate |
| 2025 | 14,017,736 | Estimate |
| 2030 | 14,121,470 | Projection |
| 2035 | 14,218,020 | Projection |
| 2040 | 14,268,370 | Projection |
| 2045 | 14,288,841 | Projection |
| 2050 | 14,235,648 | Projection |
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