World Population by the Billion
shared by PRBComms on Dec 19
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World population is around 7 billion. How long did it take for the world to add each billion? What improvements in health and science helped population growth? And how long do demographers think it wi...
ll take to reach 8 billion, and 9 billion?
Publisher
Population Reference BureauSource
Unknown. Add a sourceCategory
GeographyGet a Quote
