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Note: The sources and years from 1810 to 2100 come from this video: [1] When more than 20 countries reach a milestone, such as the 50 million milestone, the sources come from this video: [2] [ The author can't find the sources for the population predictions/milestones, such as the UN or the USCB. These sources like YouTube are extremely unreliable sources. Whoever made those YouTube videos most likely has the UN/USCB sources. ]
This is a list of population milestones by country (and year first reached). Only existing countries are included, not former countries.
Milestone | ![]() | ![]() | ![]() | ![]() |
---|---|---|---|---|
500 million | 1933 | 1966 | 2065 (est.) | 2091 (est.) |
600 million | 1954 | 1974 | 2074 (est.) | |
700 million | 1964 | 1981 | 2086 (est.) | |
750 million | 1967 | 1984 | 2094 (est.) | |
800 million | 1969 | 1987 | 2101 (est.) | |
900 million | 1974 | 1992 | 2114 (est.) | |
1 billion | 1981 | 1997 | 2129 (est.) | |
1.1 billion | 1988 | 2002 | - | |
1.2 billion | 1995 | 2008 | - | |
1.3 billion | 2003 | 2014 | - | |
1.4 billion | 2017 | 2022 | - | |
1.5 billion | - | 2030 (est.) | - | |
1.6 billion | - | 2041 (est.) | - | |
2 billion | - | 2082? (est.) | - |