At present, the world population is growth at about 8.5 percent per year for a doubling time of 20 years. Since the Black Death's end, which occurred in the year 1350, the number of people on earth has increased.
The population growth as a result of a combination of medical and technological advancements that raised sanitation and agricultural output and increase mortality.
Through a process known as the demographic transition, where many countries with high standards of living have seen a major reduction of population growth, this has slowed in some geographic areas. Contrast this with less developed areas, where population increase is still taking place.
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