Shi'aa.The majority or 90% of all Muslims in Iran are Shiites. Shi'a Islam is the official state religion of Iran. Sunni and Sufi only represent 9%of the Muslims there.
Islam
The dominant religion of Iran is Islam (majority Shi'ite), while the Baha'i Faith is the largest non-Muslim minority religion.
No. The traditional religion of Persia is Zoroastrianism. Today, the official and most popular religion of modern Iran is Shiite Islam. There are also large minorities of Sunni Muslims, Baha'is, Christians, and Druze. There are around 600,000 Persian Jews of whom roughly 9,000 still live in Iran.
The Safavids were responsible for making Twelver Shiite Islam (as opposed to Sunni Islam) the dominant religion of Iran. They were notorious for their belligerent treatment of Sunnis, especially in the western provinces.
Most Iranians are Muslims; 92% belong to the Shi'a branch of Islam, the official state religion, and about 8% belong to the Sunni branch of Islam. The remaining 2% are non-Muslim religious minorities, including Bahá'ís, Mandeans, Yarsanis, Zoroastrians, Jews, and Christians.
mostly Muslim and a small group are Christian
The major religions of Iran are Shia Muslim 89%, Sunni Muslim 9%, Zoroastrian and Baha'i around 1% each. If you consider Shia and Sunni as separate religions, the answer to your question is Sunni Islam; if not, the answer would be Zoroastrianism and Baha'i.
The Safavids were responsible for making Twelver Shiite Islam (as opposed to Sunni Islam) the dominant religion of Iran. They were notorious for their belligerent treatment of Sunnis, especially in the western provinces.
The majority religion in Iran is Shi'ite Islam.
for Shia Islam Iran and Iraq for sunni Islam Egypt and Saudi Arabia
Islam