List of megalopoleis

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

Largest megalopolis

See below for a list of the world’s nine largest megalopolises, in descending order of population (×1,000,000):
# Ganges River Valley: Delhi–Islamabad–Lahore–"other metropoleis" — 700Fact|date=July 2008.
# Blue Banana: Manchester–Sheffield-Birmingham–London–Paris–Rhine-Ruhr–Milan–The Kingdom of the Netherlands^β — 90
# Taiheiyo Belt — 75
# BosWash: New York–Boston–New Jersey–Washington, D.C.–Philadelphia — 55
# ChiPitts: Chicago–Detroit-Milwaukee-Green Bay-Grand Rapids-Cleveland-Columbus-Cincinnati-Indianapolis-Pittsburgh-Buffalo-Toronto–Ottawa–Montreal^α — 54
# Rio de Janeiro–Sao Paulo–Campinas–Belo Horizonte — 46
# Bajalta California–SanSan^γ: Los Angeles-San Diego-San Jose-San Francisco Bay Area-Orange County-Inland Empire-Sacramento-Fresno-Bakersfield-Antelope Valley-Tijuana— 40
# Much of South Korea comprises a number of metropoleis based around Seoul — 30–35
# Mexico city and the surrounding area — 27
# Delhi–New Delhi, India — 18
# Cairo-Giza-Kalyoubia (Greater Cairo), Egypt — 16
# I-35 Corridor :San Antonio-Austin–Round Rock-Temple–Killeen-Waco-Dallas-Fort Worth-Oklahoma City-Wichita-Kansas City — 15.2

: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.