Iran, Islamic Rep. Population 2026
As of 2025, the population of Iran (Islamic Rep.) is estimated at 91,567,738, making it the 17th most populous country in the world. This figure reflects a 1-year growth rate of 1.06% and a 10-year average annual growth rate of 1.17%. The country is classified as an upper-middle-income economy in the Middle East & North Africa region.
Population Trend (Iran, Islamic Rep.)
Population by Decade
Population milestones
How Iran, Islamic Rep.'s population changed across key years (World Bank estimates).
Overview
Regionally, Iran's population dynamics are influenced by its geopolitical position and economic conditions, including international sanctions and fluctuating oil revenues. The country's growth rate of 1.06% in 2025 is moderate compared to other MENA nations, with some neighbors like Iraq and Yemen experiencing higher growth due to higher fertility and younger age structures. Iran's global rank of 17th underscores its demographic significance, though its share of the world population is gradually declining as other regions grow faster.
Key Facts
- Latest population (2025): 91,567,738.
- 1-year growth rate (2025): 1.06%.
- 10-year average annual growth rate: 1.17%.
- Global population rank: #17.
- Income group: Upper middle income.
- Region: Middle East & North Africa.