Roughly estimated, how many people inhabited the world in the year 1 AD (NL)?

The World Population 25,000 years ago was about 3,5 million people. In AD 1, these were about 170 million.

http://www.geo.arizona.edu/Antevs/nats104/wk1213.pdf

Question in the Native Language

Ruw geschat, hoeveel mensen woonden er in de wereld in het jaar 1 (NL)?

De wereldbevolking 25.000 jaar geleden was ongeveer 3,5 miljoen. In het jaar AD 1 waren dat er ongeveer 170 miljoen. http://www.geo.arizona.edu/Antevs/nats104/wk1213.pdf

Keywords
sociology
Era(s)
Mesolithic
Neolithic
Chalcolithic
Bronze Age
Iron Age