Presented by
Visualizing 7 Billion in 'How Did We Get So Big So Fast?'
Nov 02, 2011 | Video by NPR
NPR's clever illustration of how the world's population grew to seven billion people
We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.
/media/video/img/2020/03/Thumb1/original.png)
