Add Yahoo as a preferred source to see more of our stories on Google. How big were the world’s ancient cities? At its height, the world’s first city of Uruk may have had about 40,000 people about ...

Angkor, in what is now Cambodia, was one of the most populated cities in the world from the 9th to 15th centuries CE. That said, archaeologists have struggled with knowing just how many people ...

At its height in the 13th century, Angkor boasted a population of around 700,000 to 900,000. Christian Haugen via Flickr under CC BY 2.0 During the 13th century, the southeast Asian city of ...

How big were the world's ancient cities? At its height, the world's first city of Uruk may have had about 40,000 people about 5,000 years ago. In the medieval period, London may have had a population ...