Dramatic uneven urbanization of large cities throughout the world in recent decades

Liqun Sun, Ji Chen (), Qinglan Li () and Dian Huang
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Liqun Sun: Chinese Academy of Sciences
Ji Chen: The University of Hong Kong
Qinglan Li: Chinese Academy of Sciences
Dian Huang: National Supercomputing Center in Shenzhen

Nature Communications, 2020, vol. 11, issue 1, 1-9

Abstract: Abstract The world has experienced dramatic urbanization in recent decades. However, we still lack information about the characteristics of urbanization in large cities throughout the world. After analyzing 841 large cities with built-up areas (BUAs) of over 100 km2 from 2001 to 2018, here we found an uneven distribution of urbanization at different economic levels. On average, large cities in the low-income and lower-middle-income countries had the highest urban population growth, and BUA expansion in the upper-middle-income countries was more than three times that of the high-income countries. Globally, more than 10% of BUAs in 325 large cities showed significant greening (P

Date: 2020
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DOI: 10.1038/s41467-020-19158-1

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