How much of Ancient Persia was slaves?

At other times the percentage was much lower: in Roman Egypt (one of the few places where we have anything like real statistics) only about 10% of the population were slaves. It’s reasonable to assume that the Persian empire experienced similar fluctuations: there were more slaves available when the empire expanded, and fewer when it was stagnant or contracting. read more

Non Chinese ancient literature recorded slave as production labor. The excavation of culture relics do show may slave practices in ancient China, but most of those were maids or servants who buried alive with their masters. Those were contract slave. Contract slaves were practiced in China til 19 century, and were not for production but house chores. read more

A History of slavery in Iran (Persia) during various ancient, medieval and modern periods is sparsely cataloged. read more