According to the U.N., the world's population is expected to hit seven billion on October 31st. 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 to find out. 

According to this neat app from the BBC, I was the 2,698,395,253rd person born on Earth. When will we hit eight billion? 2050.