More than half of all humans will soon be living in cities, according to a prediction by the United Nations. "Psychologically it is an important step for mankind,"
Hania Zlotnik, director of the United Nations Population Division, the BBC reports:
Despite almost four millennia as centres of
civilisation, it was only fairly recently that cities attracted more
than a small percentage of the global population. With hindsight, the
20th Century was the century of urbanisation.In 1900, only 14% of humanity lived in cities. By the
century’s close, 47% of us did so. This change is revealed in the
growth of the number of medium-sized cities. In 1950, there were 83
cities with populations exceeding one million; but by 2000, this had
risen to 411."Our surveys and projections indicate that all urban
growth over the next 25 years will be in developing countries. In
developed countries, urbanisation will remain the same or decline."
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