884 cities · 31 states/provinces · Capital: Tehran · Asia
| Capital | Tehran |
| Continent | Asia |
| Region | Asia |
| Subregion | Southern Asia |
| Languages | Persian (Farsi) |
| Currency | Rial (IRR) |
| Population | 81,800,269 |
| Density | 49.6/km² |
| Median Age | 32.0 |
| Urban Population | 76.7% |
| Birth Rate | 13.0 per 1K |
| Death Rate | 4.7 per 1K |
| Fertility Rate | 1.70 |
| GDP | $457.5 billion |
| GDP per Capita | $5,049 |
| HDI | 0.774 |
| Gini Index | 42.0 |
| Internet Users | 79.6% |
| Area | 1,648,000 km² |
| Driving Side | Right |
| Landlocked | No |
| Borders | AFG,ARM,AZE,IRQ,PAK,TUR,TKM |
| Calling Code | ++98 |
| TLD | .ir |
| ISO Code | IR / IRN |
| UN Member | Yes |
| Independent | Yes |
| Life Expectancy | 77.7 years |
| # | City | State/Province | Population | Avg Temp | Elevation |
|---|---|---|---|---|---|
| 1 | Tehran | Tehran | 7,153,309 | 66°F | 3,865 ft |
| 2 | Mashhad | Razavi Khorasan | 2,307,177 | 56°F | 3,215 ft |
| 3 | Isfahan | Isfahan | 1,547,164 | 61°F | 5,177 ft |
| 4 | Karaj | Alborz Province | 1,448,075 | 60°F | 4,400 ft |
| 5 | Tabriz | East Azerbaijan | 1,424,641 | 54°F | 4,580 ft |
| 6 | Shiraz | Fars | 1,249,942 | 64°F | 5,069 ft |
| 7 | Qom | Qom Province | 900,000 | 64°F | 3,068 ft |
| 8 | Ahvaz | Khuzestan | 841,145 | 78°F | 75 ft |
| 9 | Kermanshah | Kermanshah Province | 621,100 | 56°F | 4,567 ft |
| 10 | Rasht | Gilan Province | 594,590 | 60°F | 13 ft |
| 11 | Kerman | Kerman | 577,514 | 61°F | 5,774 ft |
| 12 | Orūmīyeh | West Azerbaijan | 577,307 | 51°F | 4,429 ft |
| 13 | Zahedan | Sistan and Baluchestan | 551,980 | 65°F | 4,528 ft |
| 14 | Hamadān | Hamadan Province | 528,256 | 49°F | 5,971 ft |
| 15 | Āzādshahr | Hamadan Province | 514,102 | 49°F | 6,079 ft |
| 16 | Arāk | Markazi | 503,647 | 56°F | 5,702 ft |
| 17 | Yazd | Yazd Province | 477,905 | 66°F | 3,990 ft |
| 18 | Eslamshahr | Tehran | 450,000 | 62°F | 3,488 ft |
| 19 | Ardabīl | Ardabil Province | 410,753 | 49°F | 4,439 ft |
| 20 | Abadan | Khuzestan | 370,180 | 78°F | 20 ft |