Where does this come from, and can I check it?

The Tokyo urban area accommodates over thirty-seven million residents across its connected districts. The figure is taken from CIA World Factbook, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a world geography fact?

Yes. It sits on the World Geography shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

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The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

Greater Tokyo is the most populous metropolitan region in the world

The Tokyo urban area accommodates over thirty-seven million residents across its connected districts.

Spanning Tokyo Metropolis and surrounding prefectures on the Kanto Plain, Greater Tokyo forms a vast continuous urban zone. Extensive rail networks move tens of millions of commuters daily with remarkable efficiency. Despite its immense urban density, Tokyo regularly ranks among the safest and cleanest major cities.

The Greater Tokyo Area in Japan pictured from the International Space Station (iss074e0170877) — NASA Johnson Space Center · Public domain · source

Where this comes from

CIA World Factbook

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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Tags: tokyo, japan, cities, population

Greater Tokyo is the most populous metropolitan region in the world: the short answers

Where does this come from, and can I check it?: The Tokyo urban area accommodates over thirty-seven million residents across its connected districts. The figure is taken from CIA World Factbook, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a world geography fact?: Yes. It sits on the World Geography shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.