With the increase of birth rate, the increase of population is a natural phenomenon. The density of population is much higher in Asia in compare to other continent. Of course there is loss of life in war, nuclear holocaust or in other natural calamity. But the percentage of loss is insignificant compare to the increase of population growth rate. It is for this reason all over the Globe a sense of population control is raising its head. Many countries are using contraceptive methods for the control of population.
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