Population growth

World human population estimates from 1800 to 2100, with estimated range of future population after 2020 based on "high" and "low" scenarios. Data from the United Nations projections in 2019.
Population[1]
Years passed Year Billion
1800 1
127 1927 2
33 1960 3
14 1974 4
13 1987 5
12 1999 6
12 2011 7
12 2023* 8
14 2037* 9
18 2055* 10
33 2088* 11
*World Population Prospects 2017
(United Nations Population Division)

Population growth is the rate at which a population grows or expands. For example, if a population increased from 100 to 110 in a year, then it would have had a population growth of 10% per year.

  1. "United Nations - World Population Prospects 2017". Archived from the original on 2018-03-22. Retrieved 2017-07-07.

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