Iran Population 2024 Growth Rate. Iran’s population growth rate is about 1.1%, a rate that has slowed down in recent decades. This is an increase of 1.27 % (1,097,196 people) compared to population of 86,666,342 the year before.

Population growth rate of iran based on our stored data from 2004 to 2024, taken from the cia world fact books of the respective years. In 1950, the population of tehran was 1,041,350.