Describe world population trend in brief.
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Throughout human history the world's population has been gradually growing. Figure 2.1 shows the trend from the year 1700. ... If the birth rate stays the same and the death rate decreases, then population numbers will grow. If the birth rate increases and the death rate stays the same, then population will also grow.
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The current world population is 7.9 billion as of September 2021 according to the most recent United Nations estimates elaborated by Worldometer. The term "World Population" refers to the human population (the total number of humans currently living) of the world.
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