Tehran, Iran
Capital city · Population 7.2M
Tehran is the capital and the largest city in Iran with a population of approximately 7,153,309 people as of 2026. This makes it the 41st largest city in the world, accounting for 8.32% of Iran's total population of 86.0M. Tehran is classified as a major metropolis and operates in the Asia/Tehran timezone. The average annual temperature is 18.4°C with 293 mm of rainfall per year. The city sits at an elevation of 1,183 meters above sea level.
Population
7,153,309
Global Rank
#41
Country Rank
#1
% of Iran
8.32%
Avg Temperature
18.4°C
Annual Rainfall
293 mm
Elevation
1,183 m
Timezone
Asia/Tehran
Tehran on the Map
Climate in Tehran
Tehran's warmest month is Aug and the coldest is Dec. The wettest month is Feb with 57 mm of rainfall.
Average Monthly Temperature
Monthly Rainfall
Iran at a Glance
Country Population
85,961,000
Capital
Tehran
Region
Southern Asia
Major Cities
91
GDP per Capita
$5,190
Life Expectancy
77.7 years
Urban Population
77.0%
Growth Rate
0.01%
Other Major Cities in Iran
Nearest Major Cities
Closest cities to Tehran with over 100,000 people
| City | Population | Distance |
|---|---|---|
| Andīsheh | 116,062 | 14 km |
| Eslamshahr | 450,000 | 23 km |
| Naz̧arābād | 119,512 | 25 km |
| Nasīm Shahr | 200,393 | 27 km |
| Nasimshahr | 200,393 | 28 km |
| Shahr-e Qods | 309,605 | 28 km |
| Golestān | 240,000 | 29 km |
| Qarchak | 251,834 | 33 km |
Frequently Asked Questions
What is the population of Tehran?
The population of Tehran, Iran is approximately 7,153,309 people, making it the 41st largest city in the world and the 1st largest in Iran.
Is Tehran the capital of Iran?
Yes, Tehran is the capital of Iran.
What is the climate like in Tehran?
Tehran has an average annual temperature of 18.4°C and receives 293 mm of rainfall per year. The warmest month is Aug and the coldest is Dec.
What timezone is Tehran in?
Tehran is in the Asia/Tehran timezone.