Tehran17%
Razavi Khorasan8%
Isfahan6.4%
Fars6.1%
Khuzestan5.9%
East Azerbaijan4.9%
Mazandaran4.1%
West Azerbaijan4.1%
Kerman4%
Sistan and Baluchestan3.4%
Alborz3.4%
Gilan3.2%
Kermanshah2.5%
Golestan2.4%
Hormozgan
Lorestan
Hamadan
Kurdistan2%
Markazi
Qom
Ardabil
Qazvin
Bushehr
Yazd
Zanjan
Chaharmahal and Bakhtiari
North Khorasan
South Khorasan
Kohgiluyeh and Boyer-Ahmad
Semnan
Ilam
1
Tehran
13.32M
2
Razavi Khorasan
6.44M
3
Isfahan
5.14M
4
Fars
4.90M
5
Khuzestan
4.73M
6
East Azerbaijan
3.93M
7
Mazandaran
3.30M
8
West Azerbaijan
3.28M
9
Kerman
3.18M
10
Sistan and Baluchestan
2.78M
11
Alborz
2.73M
12
Gilan
2.55M
13
Kermanshah
2.00M
14
Golestan
1.89M
15
Hormozgan
1.81M
16
Lorestan
1.78M
17
Hamadan
1.76M
18
Kurdistan
1.61M
19
Markazi
1.44M
20
Qom
1.30M
21
Ardabil
1.28M
22
Qazvin
1.28M
23
Bushehr
1.17M
24
Yazd
1.16M
25
Zanjan
1.10M
26
Chaharmahal and Bakhtiari
0.97M
27
North Khorasan
0.87M
28
South Khorasan
0.79M
29
Kohgiluyeh and Boyer-Ahmad
0.73M
30
Semnan
0.72M
31
Ilam
0.59M
Highlights
Within Iran, Tehran ranks first in 2023 with 13.32M, followed by Razavi Khorasan (6.44M) and Isfahan (5.14M).
Tehran is 2.1 times higher than Razavi Khorasan, the runner-up.
Across 31 entries, values run from 13.32M (Tehran) to 0.59M (Ilam), with a median of 1.78M.
Source: Statistical Center of Iran (2023) (via Wikipedia), 2023. Unit: million people.
Source: Statistical Center of Iran (2023) (via Wikipedia) · CC BY-SA 4.0 (Wikipedia); underlying data © the cited publisher · fetched Oct 13, 2026