Population is the state whereby the human populace ascends to a degree surpassing the conveying the furthest reaches of the characteristic setting. In an overpopulated situation, the amount of people may be more than the accessible basic materials for survival. For example, transport, water, and cover sustenance or social courtesies. This normally adds to ecological weakening, compounding in the personal satisfaction, or even the crumbling of the population. In another structure, overpopulation alludes to a populace that surpasses its property size inside a particular air or encompass. Populace development is the expansion in the quantity of people in a populace. A considerable lot of the world’s nations, incorporating numerous in Sub-Saharan Africa, the Middle East, South Asia and South East Asia, have seen a sharp ascent in populace since the part of the bargain War. The dread is that high populace numbers are putting further strain on common assets, sustenance supplies, fuel supplies, work, lodging, and so forth in a portion of the less blessed nations. For instance, the number of inhabitants in Chad has eventually developed from 6,279,921 out of 1993 to 10,329,208 in 2009 further stressing its assets.( Barbados: People. World Fact book of CIA) Niger, Pakistan, Nigeria, Egypt, Ethiopia, and the DRC are seeing a comparative development in populace.Traditionally it is believed that population growth has negative effects on real per capital income. The population restriction policy of china is based on the traditional view. There is sufficient evidence that population growth does not affect economic growth adversely. There is some trend with world population, the period of low population associated with period of low economic growth and vice versa. Mostly the history shows period of low population and low economic growth. Only recently we have seen period of both high population and economic growth (Johnson, 1999).