<P> With possible roots dating back to the second millennium BCE , Zoroastrianism enters recorded history in the 5th - century BCE . Along with a Mithraic Median prototype and a Zurvanist Sassanid successor , it served as the state religion of the pre-Islamic Iranian empires for more than a millennium , from around 600 BCE to 650 CE . Zoroastrianism was suppressed from the 7th century onwards following the Muslim conquest of Persia of 633 -- 654 . Recent estimates place the current number of Zoroastrians at around 190,000 , with most living in India and in Iran ; their number is declining . In 2015 , there were reports of up to 100,000 converts in Iraqi Kurdistan . Besides the Zoroastrian diaspora , the older Mithraic faith Yazdânism is still practised amongst Kurds . </P>
<P> With possible roots dating back to the second millennium BCE , Zoroastrianism enters recorded history in the 5th - century BCE . Along with a Mithraic Median prototype and a Zurvanist Sassanid successor , it served as the state religion of the pre-Islamic Iranian empires for more than a millennium , from around 600 BCE to 650 CE . Zoroastrianism was suppressed from the 7th century onwards following the Muslim conquest of Persia of 633 -- 654 . Recent estimates place the current number of Zoroastrians at around 190,000 , with most living in India and in Iran ; their number is declining . In 2015 , there were reports of up to 100,000 converts in Iraqi Kurdistan . Besides the Zoroastrian diaspora , the older Mithraic faith Yazdânism is still practised amongst Kurds . </P>
what do you call a follower of zoroastrianism
what do you call a follower of zoroastrianism
Zoroastrians
Zoroastrians