SLIDE 1 Notes on the Urbanization of Our Planet
Accra, Ghana
1991 2000 2014
Professor Shlomo Angel, New York University
Presented at the Expert Group Meeting on Sustainable Cities, Human Mobility and International Migration, hosted by the UN Population Division, UNDESA, United Nations, New York, 7-8 September 2017.
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The Urbanization Project
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The Year 2100
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Declining urban growth rates
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Urban population will stabilize by 2100
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On the doubling of the urban population since 1959
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On tripling the present areas of cities by 2100
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Explaining urban extents
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Urban densities are in decline
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One-third of the urban extents of cities remains open space
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Urban extents tripled in area during the 1990-2015 period
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The share of the population living in cities
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The share of the urban population in less developed countries
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Urban population growth, 2015-2050
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The 18-to-1 ratio
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Two regions will absorb 60% of urban population growth to 2050
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Explaining the share of the population living in cities
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GDP per capita and the level of urbanization
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Urbanization and economic development
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Urbanization and public health
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What is a city?
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The universe of cities
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All city-size ranges contain similar total populations
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Cities of different population sizes are growing at the same rate
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There are discrepancies between country definitions of ‘urban’
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Explaining differences in what constitutes ‘urban’
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Shifting the focus from ‘people’ to ‘land for people’
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The Urbanization Project is both inevitable and desirable
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The risks that the Urbanization Project entails are asymmetrical
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Preparations for urbanization are falling behind
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Urbanization without fear
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Thank you!
