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Statistics for What Year did the Population Reach x Billion?

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Answer Stats
Score Distribution
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General Stats

This quiz has been taken 27 times
The average score is 6 of 8

Answer Stats

Population	Answer	% Correct
6 billion	1999	94%
8 billion	2022	94%
4 billion	1974	88%
5 billion	1987	88%
7 billion	2011	88%
2 billion	1927	81%
3 billion	1960	75%
1 billion	1804	31%

Score Distribution

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Percent of People with Each Score

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