Irkutsk — UN urban centre
Irkutsk: 442,807 people. Reference: 2025 annual estimate · World rank #1,256 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 7744; territory: Russia (RUS). 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: 52.273, 104.3002. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 459,021 | Estimate |
| 1980 | 490,465 | Estimate |
| 1985 | 508,793 | Estimate |
| 1990 | 513,055 | Estimate |
| 1995 | 479,934 | Estimate |
| 2000 | 455,043 | Estimate |
| 2005 | 445,343 | Estimate |
| 2010 | 432,815 | Estimate |
| 2015 | 439,084 | Estimate |
| 2020 | 448,787 | Estimate |
| 2025 | 442,807 | Estimate |
| 2030 | 436,158 | Projection |
| 2035 | 430,722 | Projection |
| 2040 | 426,370 | Projection |
| 2045 | 422,428 | Projection |
| 2050 | 418,825 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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