Shanghai is 1.32× the size of Chiba
Shanghai (municipality of China) covers about 6,750 km² (2,600 mi²) and Chiba (prefecture of Japan) about 5,110 km² (1,970 mi²). Below, both outlines are drawn at one scale and centred on each other.
- 6,750km²Shanghai
- 5,110km²Chiba
20 km
- Shanghai
- Chiba
What fits
- Chiba is 76% of the size of Shanghai.
- Shanghai is larger by 1,630 km² (631 mi²), which is 32% of the area of Chiba.
- Measured in Belgiums: Shanghai is about 0.22, Chiba about 0.17.
How they differ
- Shanghai also has the larger population: 24.9 million against 6.3 million, 3.96× as many people.
- Per square kilometre that is 3,687 in Shanghai against 1,228 in Chiba: Shanghai is 3.00× as densely populated.
- Their centres are about 1,800 km apart.
- Together Shanghai and Chiba cover 11,900 km², close to the size of Falkland Islands (11,600 km², 2.2% smaller).
- The gap between them, 1,630 km², is about the size of Comoros (1,670 km²).
- At Chiba's density, Shanghai would have 8.3 million people (it has 24.9 million). At Shanghai's density, Chiba would have 18.8 million (it has 6.3 million).
- Chiba's centre is 4.3° of latitude, about 480 km, farther north than Shanghai's.
- Shanghai is the 31st largest of the 31 provinces and regions of China and covers less than 0.1% of its area; it is the most densely populated of them.
- Chiba is the 27th largest of the 47 prefectures of Japan and covers 1.4% of its area; it is the 6th most densely populated of them.
- Chiba lies about 4° of latitude (roughly 481 km) north of Shanghai.
- Shared out evenly, each person in Shanghai would have about 270 m² and each person in Chiba about 810 m².
- Laid side by side, Shanghai and Chiba would cover 11,900 km², 96% of the size of Vanuatu.
- Together they have 31.1 million people, about as many people as Ivory Coast.
Side by side
| Shanghai | Chiba | |
|---|---|---|
| Is a | MunicipalityChina | PrefectureJapan |
| Area, measured | 6,750 km²2,600 mi² | 5,110 km²1,970 mi² |
| Official area | 6,340 km²Wikidata | 5,160 km²Wikidata |
| Rank by area | 31st of 31in China | 27th of 47in Japan |
| Population | 24.9 millionWikidata, 2020 | 6.3 millionWikidata, 2021 |
| Rank by population | 23rd of 31in China | 6th of 47in Japan |
| Density | 3,687 per km² | 1,228 per km² |
| Capital | – | Chiba |
| Latitude range | 31°N to 32°N | 35°N to 36°N |
Population: Wikidata 2020 and Wikidata 2021. Official figures: Wikidata (CC0).
- Our measured 6,750 km² is 6.4% above Wikidata's official figure of 6,340 km². Official figures can include inland water or count land that an outline draws differently. This difference is flagged for review.
- Wikidata's official figure of 5,160 km² agrees with our measured area of 5,110 km², to within 2%.
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Sources and method
- Outlines
- Natural Earth, 1:10m Admin 1 - States, Provinces, public domain
- Boundary
- De facto, as drawn by Natural Earth. A region is drawn whole, every island included; a country is its main territory.
- Area
- Measured on the WGS84 ellipsoid from the full-detail outlines, shown rounded.
- Drawing
- Each outline is projected with an equal-area projection centred on its own centroid, so areas stay true and the two can be laid over each other.
- Data built
- 2026-11-12