Shanghai is 1.06× the size of Gunma

What fits

• Gunma is 94% of the size of Shanghai.
• Shanghai is larger by 410 km² (158 mi²), which is 6.5% of the area of Gunma.
• Measured in Belgiums: Shanghai is about 0.22, Gunma about 0.21.

How they differ

• Shanghai also has the larger population: 24.9 million against 1.9 million, 12.9× as many people.
• Per square kilometre that is 3,687 in Shanghai against 305 in Gunma: Shanghai is 12.1× as densely populated.
• Their centres are about 1,720 km apart.
• On a standard web map Gunma looks larger than Shanghai: Shanghai at 31°N is drawn about 1.4× too large and Gunma at 36°N about 1.5×, so the map shows Gunma as 1.06× the size of Shanghai, when Shanghai is 1.06× the size of Gunma.
• Together Shanghai and Gunma cover 13,100 km², close to the size of Bahamas (12,600 km², 3.7% smaller).
• The gap between them, 410 km², is about the size of Seychelles (436 km²).
• At Gunma's density, Shanghai would have 2.1 million people (it has 24.9 million). At Shanghai's density, Gunma would have 23.4 million (it has 1.9 million).
• Gunma's centre is 5.3° of latitude, about 590 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.
• Gunma is the 22nd largest of the 47 prefectures of Japan and covers 1.7% of its area; it is the 19th most densely populated of them.
• Gunma lies about 5° of latitude (roughly 590 km) north of Shanghai.
• Shared out evenly, each person in Shanghai would have about 270 m² and each person in Gunma about 3,270 m².
• Laid side by side, Shanghai and Gunma would cover 13,100 km², 1.04× the size of the Bahamas.
• Together they have 26.8 million people, about as many people as North Korea.

Side by side

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 6,360 km² agrees with our measured area of 6,340 km², to within 2%.

More from the same country

• All 31 provinces and regions of Chinamatched to countries
• All 47 prefectures of Japanmatched to countries

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