Okayama is 1.03× the size of Shanghai

Okayama (prefecture of Japan) covers about 6,930 km² (2,680 mi²) and Shanghai (municipality of China) about 6,750 km² (2,600 mi²). Below, both outlines are drawn at one scale and centred on each other.

20 km
  • Okayama
  • Shanghai

What fits

How they differ

Side by side

OkayamaShanghai
Is aPrefectureJapanMunicipalityChina
Area, measured6,930 km²2,680 mi²6,750 km²2,600 mi²
Official area7,110 km²Wikidata6,340 km²Wikidata
Rank by area18th of 47in Japan31st of 31in China
Population1.9 millionWikidata, 202124.9 millionWikidata, 2020
Rank by population20th of 47in Japan23rd of 31in China
Density271 per km²3,687 per km²
CapitalOkayama–
Latitude range34°N to 35°N31°N to 32°N

Population: Wikidata 2021 and Wikidata 2020. Official figures: Wikidata (CC0).

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Okayama is 1.03× the size of Shanghai: outlines of Okayama and Shanghai at the same scale
Outlines are drawn at true scale.
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

Full method