Population of Iran
As of August 2026, the population of Iran is 93.2 million. The number of inhabitants has increased by 708 thousand in the last year, representing a growth of 0.81%. The median age of the population has increased in recent years, rising from 29.2 years in 2016 to 34.5 years in 2026. Currently, life expectancy at birth is 78.2 years and population density is 57.2 inhabitants per square kilometer.
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Population Growth
The population growth rate of Iran peaked in 1981, reaching around 6.74% annually, but has since declined to approximately 0.76% in 2026. The annual increase in the number of people has also decreased from a peak of around 2.83 million in 1981 to nearly 707.67 thousand in 2026.
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Life Expectancy
In Iran, life expectancy at birth has been increasing, with the indicator rising from 72.9 years in 2006 to 78.2 years in 2026, representing an increase of more than 5 years over the past 2 decades.
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Most populous cities in Iran
Iran has multiple large cities with a significant number of inhabitants. The most populous city is Tehran, con una diferencia significativa sobre las demás, alcanzando approximately 7.2 million inhabitants. It is followed by Mashhad, Razavi Khorasan with 2.3 million and Isfahan with 1.5 million.
These are the 20 most populous cities in Iran:
| # | City | Population |
|---|---|---|
| 1 | Tehran | 7,153,309 |
| 2 | Mashhad, Razavi Khorasan | 2,307,177 |
| 3 | Isfahan | 1,547,164 |
| 4 | Karaj, Alborz Province | 1,448,075 |
| 5 | Tabriz, East Azerbaijan | 1,424,641 |
| 6 | Shiraz, Fars | 1,249,942 |
| 7 | Qom, Qom Province | 900,000 |
| 8 | Ahvaz, Khuzestan | 841,145 |
| 9 | Kermanshah, Kermanshah Province | 621,100 |
| 10 | Rasht, Gilan Province | 594,590 |
| # | City | Population |
|---|---|---|
| 11 | Kerman | 577,514 |
| 12 | Orūmīyeh, West Azerbaijan | 577,307 |
| 13 | Zahedan, Sistan and Baluchestan | 551,980 |
| 14 | Hamadān, Hamadan Province | 528,256 |
| 15 | Arāk, Markazi | 503,647 |
| 16 | Yazd, Yazd Province | 477,905 |
| 17 | Eslamshahr, Tehran | 450,000 |
| 18 | Ardabīl, Ardabil Province | 410,753 |
| 19 | Zanjan | 357,471 |
| 20 | Bandar Abbas, Hormozgan | 352,173 |