Historically, a mass exodus of Iranians from the greater Persian plateau has occurred presumably for fear of religious persecution, by people of the Zoroastrian faith emigrating to Gujarat and Mumbai, India. From the mid-19th century, Iranians of mostly Assyrian and Armenian (Christian), Baha’i, Jewish and Zoroastrian faiths, have sporadically emigrated to the west, including the US. It was not until 1979 that the new government with its fundamental socio-political changes caused the most recent mass exodus of three million from all walks of life comprised mainly of Moslem faith; one million are in the US alone.
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