Having the world's youngest population, the Islamic Republic of Iran bears the responsibility of educating more than 18 million students at segregated schools.
The time of Islamic festivals is calculated according to local sightings of various phases of the moon and the dates given below are approximations which are subject to change each year.
Although Iran political structure is a republic system, it may seem different from other similar political systems. Iran political system's origin and roots are the reason beyond such a uniqueness.