Population estimates for that era (2,000 BC to 1,000 BC) are anywhere from about 25M to 150M [0]. [0] https://en.wikipedia.org/wiki/Estimates_of_historical_wor

Population estimates for that era (2,000 BC to 1,000 BC) are anywhere from about 25M to 150M [0]. [0] https://en.wikipedia.org/wiki/Estimates_of_historical_world_population#Historical_population https://en.wikipedia.org/wiki/Estimates_of_historical_world_...