: The UN predicts that the urban population will grow by another 2.5 billion by 2050, reaching approximately 68% of the world's population.
The Urbanization Revolution: Planning a New Age For the first time in human history, over half of the world's population resides in urban areas. This shift marks a profound transition from the "assembly phase" of historical cities to a modern "clean slate" paradigm, signaling the dawn of a new urban age. The Scale of Global Migration The Urbanization Revolution: Planning a New Age...
The pace of urbanization is accelerating at an unprecedented rate, primarily driven by rural-to-urban migration in search of economic opportunity. : The UN predicts that the urban population
: More than 4 billion people —over 56% of the global population—currently live in cities. The Scale of Global Migration The pace of
Rapid growth has historically outpaced infrastructure, leading to overcrowding, substandard housing, and public health risks. Today's planners face a complex web of modern obstacles: Urbanization - Our World in Data
: While there were only two megacities (populations over 10 million) in the 1950s—New York and Tokyo—there are now 34 , a number expected to reach 43 by 2030. Challenges for the New Century