esa.un.org - Press Release (excerpt)
UN finds world's population is increasingly urban with more than half living in urban areas today and another 2.5 billion expected by 2050
With nearly 38 million people, Tokyo tops UN’s ranking of most populous cities followed by Delhi, Shanghai, Mexico City, São Paulo and Mumbai
New York, 10 July—Today, 54 per cent of the world’s population lives in urban areas, a proportion that is expected to increase to 66 per cent by 2050. Projections show that urbanization combined with the overall growth of the world’s population could add another 2.5 billion people to urban populations by 2050, with close to 90 percent of the increase concentrated in Asia and Africa, according to a new United Nations report launched today.