Osaka — UN urban centre
Osaka: 12,964,145 people. Reference: 2025 annual estimate · World rank #25 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 4490; territory: Japan (JPN). 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: 34.7225, 135.4796. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 14,448,054 | Estimate |
| 1980 | 14,742,356 | Estimate |
| 1985 | 14,752,691 | Estimate |
| 1990 | 15,001,183 | Estimate |
| 1995 | 15,099,035 | Estimate |
| 2000 | 14,487,830 | Estimate |
| 2005 | 14,186,135 | Estimate |
| 2010 | 14,203,979 | Estimate |
| 2015 | 13,814,578 | Estimate |
| 2020 | 13,456,617 | Estimate |
| 2025 | 12,964,145 | Estimate |
| 2030 | 12,410,577 | Projection |
| 2035 | 11,907,292 | Projection |
| 2040 | 11,401,735 | Projection |
| 2045 | 10,917,121 | Projection |
| 2050 | 10,449,439 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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