List of cities in Iran by population
| Source | UN (World Urbanization Prospects 2018) |
| Date | 01 Apr 2024 |
| City | Population | Share (%) | Rank | Change | |||
|---|---|---|---|---|---|---|---|
| 2023 | 2024 | Iran | World | Population | (%) | ||
| Tehran | 9,499,781 | 9,616,007 | 10.7 | 1 | 40 | 116,226 | 1.22 |
| Mashhad | 3,367,852 | 3,415,532 | 3.80 | 2 | 153 | 47,680 | 1.42 |
| Esfahan | 2,258,396 | 2,294,589 | 2.55 | 3 | 249 | 36,193 | 1.60 |
| Shiraz | 1,720,954 | 1,742,750 | 1.94 | 4 | 331 | 21,796 | 1.27 |
| Tabriz | 1,660,737 | 1,678,028 | 1.87 | 5 | 355 | 17,291 | 1.04 |
| Karaj | 1,593,608 | 1,603,011 | 1.78 | 6 | 369 | 9,403 | 0.59 |
| Qom | 1,354,174 | 1,373,800 | 1.53 | 7 | 439 | 19,626 | 1.45 |
| Ahvaz | 1,293,619 | 1,309,372 | 1.46 | 8 | 467 | 15,753 | 1.22 |
| Kermanshah | 1,084,623 | 1,101,611 | 1.23 | 9 | 571 | 16,988 | 1.57 |
| Orumiyeh | 835,900 | 848,443 | 0.945 | 10 | 746 | 12,543 | 1.50 |
| Rasht | 740,203 | 749,054 | 0.834 | 11 | 856 | 8,851 | 1.20 |
| Bandar Abbas | 663,023 | 677,951 | 0.755 | 12 | 942 | 14,928 | 2.25 |
| Zahedan | 629,975 | 636,807 | 0.709 | 13 | 1004 | 6,832 | 1.08 |
| Ardabil | 597,286 | 605,977 | 0.675 | 14 | 1055 | 8,691 | 1.46 |
| Hamadan | 598,261 | 605,039 | 0.674 | 15 | 1058 | 6,778 | 1.13 |
| Yazd | 593,117 | 601,423 | 0.670 | 16 | 1066 | 8,306 | 1.40 |
| Arak | 575,082 | 582,541 | 0.649 | 17 | 1113 | 7,459 | 1.30 |
| Kerman | 550,332 | 554,468 | 0.617 | 18 | 1170 | 4,136 | 0.75 |
| Eslamshahr | 534,266 | 544,176 | 0.606 | 19 | 1192 | 9,910 | 1.85 |
| Zanjan | 494,633 | 502,450 | 0.559 | 20 | 1287 | 7,817 | 1.58 |
| Sanandaj | 469,003 | 476,066 | 0.530 | 21 | 1351 | 7,063 | 1.51 |
| Qazvin | 435,078 | 440,042 | 0.490 | 22 | 1457 | 4,964 | 1.14 |
| Khorramabad | 410,718 | 415,937 | 0.463 | 23 | 1527 | 5,219 | 1.27 |
| Shahriyar | 401,619 | 411,539 | 0.458 | 24 | 1543 | 9,920 | 2.47 |
| Gorgan | 382,367 | 386,985 | 0.431 | 25 | 1628 | 4,618 | 1.21 |
| Qods | 347,586 | 352,518 | 0.393 | 26 | 1745 | 4,932 | 1.42 |
| Kashan | 346,758 | 352,037 | 0.392 | 27 | 1748 | 5,279 | 1.52 |
| Sari | 331,034 | 334,548 | 0.373 | 28 | 1809 | 3,514 | 1.06 |