This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order multiple copies, please contact Dow Jones Reprints at 1-800-843-0008 or visit www.djreprints.com. http://online.wsj.com/article/SB10001424052970204528204577009922309104512.html
![The World's Top 50 Countries by Population, Over Time - Graphic](https://cdn-ak-scissors.b.st-hatena.com/image/square/3ff78886c65763162bb244de3af6f1d658f71dae/height=288;version=1;width=512/https%3A%2F%2Fs.wsj.net%2Fpublic%2Fresources%2Fimages%2FOB-QI984_7billi_G_20111031124745.jpg)