Atlas - 20th Century Urban Growth

Urban Growth in the Twentieth Century

Each white dot indicates an urban area with a population of over a million.
Each red square indicates an urban population of over five million.
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Largest Cities

Growth Rates

NOTE: Throughout this atlas, whenever I talk about the population of a city, I am refering to the entire population cluster, not the legally defined administrative unit that goes by the specific name.

Contemporary Context:

Selected Sources:
- Th. Brinkhoff: Principal Agglomerations and Cities of the World [http://www.citypopulation.de] 13.5.01
- Chandler, Tertius: 3000 years of urban growth (1974)
- 1991 Info. Please

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Last updated July 2001