The world's population is expected to hit seven billion in the next few weeks. After growing very slowly for most of human history, the number of people on Earth has more than doubled in the last 50 years. Where do you fit into this story of human life? Fill in your date of birth on the website above to find out what number you are.
There are lots of articles about our population on here too so have a read!
http://www.bbc.co.uk/news/world-15391515
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