Migration in general, and rural-to-urban migration in particular is the process of rebalancing economic resources (human and physical ones) in order to set up a new stage of economic development. Industrialisation always takes place in urban areas, and as soon as it starts, the labour force in urban areas and as soon as it starts, the labour force in urban areas becomes scarce, and it needs to be supplemented by labour from rural areas. Rural-to-urban migration although mainly caused by labour shortages in urban areas, the high population growth and, the inequality between urban and rural areas have in fact have triggered the migration so that the process becomes a problem and gets out of control.
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