Iran Facts
Capital of IranThe capital of Iran is Tehran.
| Capital | Tehran |
| Population (UN estimate, 2024, rounded) | 91.6 million |
| Total area | 1,648,195 km² |
| Population density (calculated) | 56 people per km² |
| Currency | Iranian rial (IRR) |
| Region | Asia |
How we got the density
- Density is the one figure on this page that is calculated rather than looked up: population ÷ area.
- 91.6 million people = 91,600,000 people. Divided by 1,648,195 km²: 55.58 people per km², which rounds to 56.
Check it backwards
56 × 1,648,195 km² ≈ 91,639,642 people — back to the population, apart from the rounding of the density to a whole number.
Questions people also ask
What is the capital of Iran?
The capital of Iran is Tehran.
How many people live in Iran?
About 91.6 million, by the UN World Population Prospects 2024 estimate (rounded). Population density works out to 56 people per km².
How big is Iran?
Iran covers 1,648,195 km² in total area.
What currency does Iran use?
The Iranian rial (IRR).