---
title: "Iran — capital, area, population and currency"
description: "Iran: capital Tehran, area 1,648,195 km², population 92,417,681 (2025), currency Iranian rial. Languages, time zones and calling code."
url: https://atoneplace.net/country/iran/
site: "At One Place"
---

# Iran

**Iran: Capital Tehran**

1,648,195 km² · 92,417,681 people (2025) · Iranian rial

The Lut Desert has recorded the highest land surface temperatures ever measured from orbit, around 80 °C. Iran is largely a high plateau ringed by mountains — the Zagros and the Alborz, where Damavand reaches 5,610 m, the highest volcano in Asia. The qanat, an underground irrigation tunnel, has been used here for around 3,000 years.

## The facts

- **Capital:** Tehran
- **Area:** 1,648,195 km² — 636,371 sq mi
- **Population:** 92,417,681 (2025)
- **Density:** 56.1 people per km²
- **Currency:** Iranian rial (IRR, ﷼)
- **Official language:** Persian
- **Time zone:** UTC+03:30
- **Calling code:** +98
- **Drives on the:** right
- **ISO codes:** IR · IRN
- **Continent:** Asia

## How it compares

- **By area:** 18 of 200
- **By population:** 17 of 200

> Population is the only figure on this page that dates — it is a 2025 estimate and will drift. Area, capital, currency, languages, calling code and driving side change rarely or never.

## Countries of a similar size

| Country | Area (km²) | Population |
| --- | --- | --- |
| Sudan | 1,861,484 | 51,662,147 |
| Libya | 1,759,540 | 7,458,555 |
| Iran ← | 1,648,195 | 92,417,681 |
| Mongolia | 1,564,116 | 3,568,978 |
| Peru | 1,285,216 | 34,576,665 |

## Common questions

### What is the capital of Iran?

Tehran

### What currency does Iran use?

The Iranian rial (IRR).

### How big is Iran?

1,648,195 km², or 636,371 square miles — 18 of 200 by area.

### Which side of the road does Iran drive on?

The right.

## Related pages

- [Sudan](https://atoneplace.net/country/sudan/)
- [Libya](https://atoneplace.net/country/libya/)
- [Mongolia](https://atoneplace.net/country/mongolia/)
- [Peru](https://atoneplace.net/country/peru/)
- [India](https://atoneplace.net/country/india/)
- [China](https://atoneplace.net/country/china/)
- [Indonesia](https://atoneplace.net/country/indonesia/)
- [Pakistan](https://atoneplace.net/country/pakistan/)
- [Bangladesh](https://atoneplace.net/country/bangladesh/)
- [Japan](https://atoneplace.net/country/japan/)
- [Philippines](https://atoneplace.net/country/philippines/)
- [Vietnam](https://atoneplace.net/country/vietnam/)

## Sources

- The World Factbook — Central Intelligence Agency (https://www.cia.gov/the-world-factbook/) [Public domain (US Government)]
- World Bank Open Data — The World Bank (https://data.worldbank.org/) [CC BY 4.0]