World Population Milestones
Updated August 5, 2020 |
Infoplease Staff
Find a list of world population milestones, from when the total world's population reached 1 billion in 1804 to 7 billion in 2011.
| 1 billion in 1804 | |||
| 2 billion in 1927 | (123 years later) | ||
| 3 billion in 1960 | (33 years later) | ||
| 4 billion in 1974 | (14 years later) | ||
| 5 billion in 1987 | (13 years later) | ||
| 6 billion in 1999 | (12 years later) | 7 billion in 2011 | (12 years later) |
Source: United Nations Population Division
| Population Statistics | Total Population of the World by Decade, 1950–2050 |
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