Haiyou — UN urban centre
Haiyou: 70,739 people. Reference: 2025 annual estimate · World rank #8,773 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 12034; territory: China (CHN). 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: 29.1149, 121.3657. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 50,301 | Estimate |
| 1980 | 51,180 | Estimate |
| 1985 | 51,333 | Estimate |
| 1990 | 62,594 | Estimate |
| 1995 | 69,174 | Estimate |
| 2000 | 69,424 | Estimate |
| 2005 | 89,443 | Estimate |
| 2010 | 67,948 | Estimate |
| 2015 | 69,280 | Estimate |
| 2020 | 69,899 | Estimate |
| 2025 | 70,739 | Estimate |
| 2030 | 71,182 | Projection |
| 2035 | 71,152 | Projection |
| 2040 | 70,817 | Projection |
| 2045 | 70,155 | Projection |
| 2050 | 69,003 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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