Trends in World Urbanisation
نویسنده
چکیده
Almost two and a half billion people representing 45 per cent of the world's population live in urban areas. In 1990,37 per cent of the developing world's population lived in urban areas and about one third of the urban population in the developing countries lived in urban slums and shanty towns. In 1990, more than 75 per cent of all South Americans were living in urban areas, the highest degree of urbanisation in the world. Europe ranked second with a little more than 73 per cent of the population in urban areas. The highest urban growth rate between 1960 and 1990 was in Africa at 4.9 per .cent, compared with a global annual rate of 2.8 per cent (UNCHS, 1992). The tremendous growth in urban population that has been seen through the latter half of the present century is a consequence both of demographic change and, in developing countries particularly, of substantial and continuing migration from rural to urban areas. These trends are expected to continue well into the twenty-first century (Table 1). Table 1 also shows the differential rates at which the population in urban areas has grown since 1970 and is expected to grow to the year 2010. In the so-called First World, consisting of the more
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