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World Urbanization Prospects: The 2007 Revision

According to the 2007 Revision, the world urban population will likely increase by 3.1 billion between 2007 and 2050, passing from 3.3 billion to 6.4 billion. The expected rise in the urban population surpasses that for the whole world population over the same period (2.5 billion), implying that urban areas are expected to absorb not only all the population growth expected over the next four decades but also some of the rural population, through rural-urban migration or via the transformation of rural settlements into urban centres. As a result, the world rural population is projected to start decreasing in about a decade and 0.6 billion fewer rural inhabitants are expected in 2050 than today (a decline from 3.4 billion in 2007 to 2.8 billion in 2008).




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