4,422,517,553

According to an estimation by some science people, I was the 4,422,517,553rd person on the planet back in 1980.  Even better, using some estimation from 50,000 BCE, they figure that I was the 78,994,111,977th person ever born.  

If you want to punch in your birthday and see where you land, here is the website.  Let me know your number.