Cultural Geography


Of all the humans who have ever lived, what proportion of them are alive today

Only a small percentage, anywhere from 5 to 10 percent, of the humans who have ever lived are alive today. Since humans have existed for approximately 100,000 years, the total number that have ever lived is probably between 60 billion and 120 billion.


This is a web preview of the "The Handy Geography Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App