The World at Seven Billion

The Big Picture: Whats your number?

Sometime in October 2011 the worlds population reached seven billion. The BBC offers an online tool that estimates “your number” It is based on your birthday. the population has been growing slowly for most of human history. Now the number of people on earth has doubled in the last fifty years.

I tried it and I was born the 3,267,910,736th person alive on earth.

77,122,222,763rd person to have lived since history began.

Check out the website at

It gives you all kinds of interesting information on how they came up with the formula and whats ahead for the future.


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