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Bulletin nº Vol 57 (4) - 2008
1
Publish Date: 1 October 2008
by Xu Tang Urbanization is growing rapidly worldwide. At present, 3.2 billion people live in cities, accounting for about 50 per cent of the total population. It is estimated that the number of people living in cities will increase to 5 billion in 2030, which will be about 61 per cent of the total population.