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The World, Explained · 45 sec

Megacity

A small piece of context that makes the wider world easier to read.

  1. The useful idea

    A megacity is a very large city, typically with a population of more than 10 million people.

  2. How it works

    The United Nations Department of Economic and Social Affairs (UN DESA) in its "World Urbanization Prospects" report defines megacities as urban agglomerations with over 10 million inhabitants.

  3. Why it matters

    Reports from academics, the European Council, the Organisation for Economic Co-operation and Development delineate them as the metropolitan areas that are inhabited by more than a total population of 10

Use Megacity as context when interpreting events and claims about the world.

Use Megacity as context when interpreting events and claims about the world.

Test your recall

Which idea belongs to the explanation of Megacity?

  • How it works
  • The useful idea — correct
  • Why it matters

A megacity is a very large city, typically with a population of more than 10 million people.

EvergreenLast verified 2026-07-19

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