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The world population reached 6 billion on oct.12 1999

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15y ago
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6mo ago

The world population reached 4 billion around 1974.

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13y ago

The worlds population reached 6 billion in the 20th century

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14y ago

Year: 2000

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13y ago

1974

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13y ago

1999

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13y ago

1960

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Q: When did the world population reach 4 billion?
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In what year did the population of the world reach 4 billion?

The world's population reached 4 billion in 1974.


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