September 2013
![September 2013 - National Geographic Magazine](https://cdn-ak-scissors.b.st-hatena.com/image/square/8227d2f6d271b51ff3c0a510eb0a3500335760bd/height=288;version=1;width=512/https%3A%2F%2Fwww.nationalgeographic.com%2Fcontent%2Fdam%2Fmagazine%2Frights-exempt%2F2013%2Fcovers%2F2013-09-cover.ngsversion.1505759607435.adapt.1900.1.jpg)
Learn more about population: http://ngm.nationalgeographic.com/7-billion ➡ Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #Population #Infographics About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the
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