This article is part of the Inspiring Cities open source campaign Help Us Write the 2008 UNFPA Culture Paragraph.
By 2007, city dwellers will outnumber those in rural areas for the first time in history.In 1800, only 3 per cent of people lived in cities. London, with about a million habitants, was the largest city in the world.
By 1950, the world was urbanizing rapidly, 8 cities had populations of 5 million or more. Two were in the developing world.
Our Urbanizing World