Sareyn — UN urban centre
Sareyn: 413,772 people. Reference: 2025 annual estimate · World rank #1,359 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 2836; territory: Iran (IRN). 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: 38.1506, 48.0739. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 108,752 | Estimate |
| 1980 | 124,405 | Estimate |
| 1985 | 152,105 | Estimate |
| 1990 | 180,548 | Estimate |
| 1995 | 210,987 | Estimate |
| 2000 | 243,771 | Estimate |
| 2005 | 293,363 | Estimate |
| 2010 | 338,217 | Estimate |
| 2015 | 371,267 | Estimate |
| 2020 | 386,016 | Estimate |
| 2025 | 413,772 | Estimate |
| 2030 | 435,791 | Projection |
| 2035 | 453,123 | Projection |
| 2040 | 468,843 | Projection |
| 2045 | 482,890 | Projection |
| 2050 | 494,091 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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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.