Can You Guess the Current World Population?

It's grown tremendously over the past 2,000 years.

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Geography Can You Guess the Current World Population? In the year 1 A.D., the Earth's population was an estimated 200 million. Can you guess how much it's grown since then? READ NOW READ THESE The 25 Most Populous Countries in the World What Ancient Romans Thought About Homosexuality 7 Female Warriors You Should Know You are receiving this newsletter because you subscribed to the Today I Learned newsletter. If you wish to unsubscribe, please click here A Dotdash Brand 1500 Broadway, 6th Floor, New York, NY, 10036 © 2019 Dotdash - All rights reserved. Privacy Policy.