Shanghai is 1.12× the size of Yamaguchi
Shanghai (municipality of China) covers about 6,750 km² (2,600 mi²) and Yamaguchi (prefecture of Japan) about 6,020 km² (2,320 mi²). Below, both outlines are drawn at one scale and centred on each other.
- 6,750km²Shanghai
- 6,020km²Yamaguchi
50 km
- Shanghai
- Yamaguchi
What fits
- Yamaguchi is 89% of the size of Shanghai.
- Shanghai is larger by 725 km² (280 mi²), which is 12% of the area of Yamaguchi.
- Measured in Belgiums: Shanghai is about 0.22, Yamaguchi about 0.20.
How they differ
- Shanghai also has the larger population: 24.9 million against 1.3 million, 18.6× as many people.
- Per square kilometre that is 3,687 in Shanghai against 222 in Yamaguchi: Shanghai is 16.6× as densely populated.
- Their centres are about 1,000 km apart.
- Together Shanghai and Yamaguchi cover 12,800 km², close to the size of Bahamas (12,600 km², 1.3% smaller).
- The gap between them, 725 km², is about the size of Dominica (730 km²).
- At Yamaguchi's density, Shanghai would have 1.5 million people (it has 24.9 million). At Shanghai's density, Yamaguchi would have 22.2 million (it has 1.3 million).
- Yamaguchi's centre is 3.0° of latitude, about 330 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.
- Yamaguchi is the 24th largest of the 47 prefectures of Japan and covers 1.6% of its area; it is the 28th most densely populated of them.
- Yamaguchi lies about 3° of latitude (roughly 334 km) north of Shanghai.
- Shared out evenly, each person in Shanghai would have about 270 m² and each person in Yamaguchi about 4,510 m².
- Laid side by side, Shanghai and Yamaguchi would cover 12,800 km², about the same size as the Bahamas.
- Together they have 26.2 million people, about as many people as North Korea.
Side by side
| Shanghai | Yamaguchi | |
|---|---|---|
| Is a | MunicipalityChina | PrefectureJapan |
| Area, measured | 6,750 km²2,600 mi² | 6,020 km²2,320 mi² |
| Official area | 6,340 km²Wikidata | 6,110 km²Wikidata |
| Rank by area | 31st of 31in China | 24th of 47in Japan |
| Population | 24.9 millionWikidata, 2020 | 1.3 millionWikidata, 2021 |
| Rank by population | 23rd of 31in China | 27th of 47in Japan |
| Density | 3,687 per km² | 222 per km² |
| Capital | – | Yamaguchi |
| Latitude range | 31°N to 32°N | 34°N to 35°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 6,110 km² agrees with our measured area of 6,020 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