write a note on population cricis
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The death rate is simply the annual number of deaths per 1,000 population and therefore is affected by the age composition of the population. ... It would be unwise, then, to expect even a very rapid decline of birth rates to reduce population growth below 1 percent by the end of the century.
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Most of the newly developing nations have populations that are growing by at least 2.5 percent per year. ... The rates of growth go up to 3.5 percent and occasionally higher. Growth continuing at 2.5 percent doubles the size of the population in 28 years and growth at 3.5 percent doubles it in 20 years.
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