The world population topped five billion in 1985. By 2020 the population of the world has reached the 7.9 billion mark.
The population is the number of people or the inhabitants in the country and refers to the total, individual that occupies the area and makes it up a whole. The population of the region is a product of the population dynamics such as migration, birth, and deaths.
The population as per the graph after 2020 is near 8 billion and that is highest in the developing nations and the less for the developed counties.
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