This is fascinating, more people have cell phones than have access to toilets.
Out of one human pairing, you get an average of 2,000 offspring, over 12 generations (240 years). A hundred humans equals fifty human pairings. So, multiply fifty by 2,000. It wouldn't take long in historic time, for them to bring us back up to current levels of over-population!
What an interesting way to simplified stats. I found out I have been the top 7% wealth for most of my life. Where 70% of people only own 3% of the world's wealth. Kind of a sad and suffering way to live for most.