Why the hell should Persians be Islamic anyhow? Mohammed the Pedophile Prophet was an Arab from Arabia. Is there any hope in the future that these folks can be brought into Christendom?
About 2% of people are a religion other than Islam. Article 13 of the Iranian Constitution recognizes the right of "People of the Book", including Christians to exercise their religion freely.
Iran recognizes the 13th Article about like our Leftist recognize the 2d Amendment.