| 2017 | 2019 | 2020 | |
|---|---|---|---|
| East Azerbaijan | 13.441 | 11.851 | 10.725 |
| West Azerbaijan | 11.925 | 11.131 | 10.315 |
| Ardabil | 5.425 | 4.991 | 4.626 |
| Isfahan | 14.136 | 12.065 | 11.100 |
| Ilam | 3.225 | 3.178 | 3.051 |
| Bushehr | 4.040 | 3.677 | 3.418 |
| Tehran | 28.976 | 25.617 | 23.381 |
| Chaharmahal and Bakhtiari Province | 4.409 | 4.215 | 3.857 |
| South Khorasan | 4.287 | 3.996 | 3.733 |
| Razavi Khorasan | 24.950 | 22.400 | 19.660 |
| North Khorasan | 4.352 | 4.015 | 3.744 |
| Khuzestan | 18.837 | 15.873 | 14.099 |
| Zanjan | 4.181 | 3.812 | 3.575 |
| Semnan | 2.088 | 1.928 | 1.874 |
| Sistan and Baluchestan | 14.214 | 13.630 | 12.493 |
| Fars | 16.990 | 15.590 | 14.162 |
| Qazvin | 4.007 | 3.278 | 3.066 |
| Qom | 3.202 | 3.047 | 2.960 |
| Kurdistan | 7.493 | 7.149 | 6.734 |
| Kerman | 11.748 | 11.378 | 10.802 |
| Kermanshah | 8.332 | 7.767 | 7.339 |
| Kohgiluyeh and Boyer-Ahmad | 4.160 | 4.081 | 3.932 |
| Golestan | 6.160 | 6.024 | 5.337 |
| Gilan | 8.127 | 7.264 | 6.669 |
| Lorestan | 7.353 | 6.617 | 6.196 |
| Mazandaran | 10.229 | 9.424 | 8.578 |
| Markazi | 3.686 | 3.342 | 3.267 |
| Hormozgan | 7.693 | 7.151 | 6.617 |
| Hamadan | 6.534 | 6.086 | 5.476 |
| Yazd | 3.180 | 3.264 | 3.212 |
| Alborz | 5.625 | 5.441 | 5.228 |