The last century has witnessed an unprecedented rate of urbanization in the developing countries. Normally because the rural areas cannot support the poor families$, they migrate to urban Centre seeking employment. Thus, as a result of the high levels of rural-urban migration over a relatively short period of time, the labour pool in city Centre has .swollen  As a result an increasing proportion of the labour force of the rapidly growing cities of the Third world is not being absorbed into what has been labeled ·full productive employment.