However , some sources point to a total population of 16 million people .
No population figures exist from before or after the period , but it is estimated that as many as 10 million people died from violence , famine and disease .
Some sources point to a total population of 16 million people .
No population figures exist from before or after the period , but it is estimated that as many as 10 million people died from violence , famine and disease .