Hai'an — UN urban centre
Hai'an: 239,163 people. Reference: 2025 annual estimate · World rank #2,451 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 11502; 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: 32.539, 120.4585. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 222,998 | Estimate |
| 1980 | 227,568 | Estimate |
| 1985 | 241,843 | Estimate |
| 1990 | 282,125 | Estimate |
| 1995 | 283,191 | Estimate |
| 2000 | 264,245 | Estimate |
| 2005 | 250,057 | Estimate |
| 2010 | 251,766 | Estimate |
| 2015 | 249,003 | Estimate |
| 2020 | 239,253 | Estimate |
| 2025 | 239,163 | Estimate |
| 2030 | 237,733 | Projection |
| 2035 | 232,315 | Projection |
| 2040 | 228,697 | Projection |
| 2045 | 222,242 | Projection |
| 2050 | 216,667 | Projection |
Largest UN urban centres · Fastest-growing urban centres
What changed during your lifetime?
Turn these figures into a private, five-scene personal world story.
Use this source record with the right definition
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.