Most Iranians are Muslims. Around 90%[1] belong to Shi'a branch of Islam, the official state religion, and about 9% belong to the Sunni branch of Islam. The remaining 0.4% are non-Muslim religious minorities, including Bahá'ís, Mandeans, Hindus, Yarsanis, Zoroastrians, Jews, and Christians
Before the Islamic revolution, Islam was still the dominant religion, with most Muslims adhering to the Twelver Shi'a sect. The revolution was mainly to create an Islamic state and to overthrow the Shah, encouraging Islamic Unity.
IRAN had the Islamic Revolution in 1979.
Islam is mostly in iran now
The revolution in Iran was not about Iraq, but about internal Iranian problems.
Iran Rubberworks's population is 35.
The population of Iran Arvin is 2,500.
Iran Shahi's population is 1,416.
The population of Iran Khodro is 52,795.
Rangsazi Iran's population is 150.
Islamic revolution
Shiite Islam dominates in Iran. Lebanon is split evenly (27%-27%) between Shiites and Sunnis (including Alawites under the term "Shiite"). The remainder of the Lebanese population is Christian, Druze, or religions that are less than 1% of the Lebanese population.
There wasn't an Iran revolution in 1989, it was 1979.