How many people are on Earth?

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Some people might say it’s a small world, but other might say it’s a big one!

No one knows the exact number of people in the world because it’s changing every moment, but the estimate as of March 2012 is that it’s about 7 billion! That’s a seven followed by nine zeros. – Whoa!! 

These amazing 7 billion people speak about 6,000 languages and occupy nearly 200 countries

by   (whyzz writer)
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