List of megalopoleis

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A megalopolis is the general term for a number of proximate metropoleis.

[edit] Largest megalopolis

See below for a list of the world’s nine largest megalopolises, in descending order of population (×1,000,000):

  1. Ganges River Valley: Delhi–Islamabad–Lahore–other metropoleis — 700
  2. Blue Banana: Manchester–Sheffield-Birmingham–London–Paris–Rhine-Ruhr–Milan–The Kingdom of the Netherlandsβ — 90
  3. Taiheiyo Belt — 75
  4. BosWash: New York–Boston–New Jersey–Washington, D.C.–Philadelphia — 55
  5. ChiPitts: Chicago–Detroit-Milwaukee-Green Bay-Grand Rapids-Cleveland-Columbus-Cincinnati-Indianapolis-Pittsburgh-Buffalo-Toronto–Ottawa–Montrealα — 54
  6. Rio de Janeiro–Sao Paulo–Campinas–Belo Horizonte — 46
  7. Bajalta California–SanSanγ: Los Angeles-San Diego-San Jose-San Francisco Bay Area-Orange County-Inland Empire-Sacramento-Fresno-Bakersfield-Antelope Valley-Tijuana— 40
  8. Much of South Korea comprises a number of metropoleis based around Seoul — 30–35
  9. Mexico city and the surrounding area — 27
  10. Delhi–New Delhi, India — 18
  11. Cairo-Giza-Kalyoubia (Greater Cairo), Egypt — 16


α: The exact borders of ChiPitts are unclear.
β: The Netherlands is only a recent addition unto the Blue Banana megalopolis.
γ: The megalopolitan status of Bajalta California–SanSan is disputed by some who consider it a metroplex.