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Chart of the Day: The Biggest Human Gatherings graphs the world's largest groups

Our friends over at have put together a graphic of "big gatherings" in human history. The premise is a little goofy, but it's interesting to see how country populations and world religions compare to the number of Facebook and Twitter users. We've included a screen shot, but you can see the full chart here.

About the Author

  • Amanda Erickson is a former senior associate editor at CityLab.