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Great Population Spike and After by Walt Whitman Rostow

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Rostow has examined the historical, economic and political repercussions of this stagnant rate of population for the developing world and in reviewing these population figures Rostow has also provided a comparative overview of the demographic trends of population growth. For Roscow the upcoming decline in the populations of the developing /industrialised countries will hit a certain beyond replacement level and the developed world will then face a resultant major impact on employment, social services for a decreasing population and a decreasing labour force. These observations have significant implications for developing countries, as well as those entering what he terms the fourth industrial age(the age of computers and laser and nuclear power).
On a more political note, he believes that at this point the United States should fulfil the role of the critical margin to address these concerns. More importantly for W.W Rostow, the Great Population Spike represents the rise and fall of population rates since the mid-eighteenth century and the relative social and economic waves caused by below-replacement fertility causing newer forms of political economies to emerging. Rostow has an incredibly optimistic vision towards the decline inthe population of the developed countries. So how do this link to the economies of the developing world and their population policy The developing countries(see diagram above) are expected to be contributing towards almost all of the total world population towards 2050? For Rostow, the problem of the developing countries has its solution with the increased population of the developing countries. This trend is already underway as immigration from developing countries to developed countries is increasing within every decade.
Developing countries will be instrumental in relieving the developed countries from their own decreasing population problems. These problems come from the dilemmas for the developed countries in maintaining full employment and social services with a decreasing population. The challenges of a depleting workforce will be fulfilled by the increased immigration. Of more concern is also how these the developed countries of the world will face up to subsequent decreases in population-related investment.
Overall there has been indeed a decrease in the world population although it figures less with the developing countries and alarmingly enough the population growth seems to be confined to some regions of the world. Almost thirty years ago there was a fear among economists that there would be a huge population problem in the coming century. Now it just seems that it is shrinking in the form of the proverbial spike. Rostow takes an optimistic view of this decrease in population for the world as this will cause a resultant decrease in environmental degradation.
Moreover, it will mean that the developing countries will be released from the increased social strains of providing for a booming population. The main cause of this decline is a revolution in reproductive behaviour that began in the 1960s.