When? Where?
There are huge differences depending upon the time period and the location.
ways non-Muslims were treated in the Islamic world?
3 answers
middle east, late 1300's-1700's
During that time period, much of the Middle East was part of the Ottoman Empire.
http://lostislamichistory.com/non-muslim-rights-in-the-ottoman-empire/
http://lostislamichistory.com/non-muslim-rights-in-the-ottoman-empire/