The East · Geography · Monarchies · Society
Population and Population Density of the Roman and Mongol Empires Compared with Europe and Russia Today
The Roman Empire and the Mongol Empire at their height. The maximum population of the Roman Empire was around 75 million, or 20 people per square kilometre. The Mongol Empire at its peak reached 100 million, or around 3 people per square kilometre. Today the population density of Europe is