| 2017 | 2019 | 2020 | |
|---|---|---|---|
| East Azerbaijan | 6 965 | 6 511 | 6 587 |
| West Azerbaijan | 5 328 | 5 022 | 5 338 |
| Ardabil | 2 954 | 2 827 | 2 963 |
| Isfahan | 9 809 | 9 253 | 9 481 |
| Ilam | 2 029 | 1 945 | 2 019 |
| Bushehr | 1 999 | 1 940 | 2 028 |
| Tehran | 19 252 | 17 869 | 18 126 |
| Chaharmahal and Bakhtiari Province | 2 523 | 2 473 | 2 461 |
| South Khorasan | 2 000 | 2 085 | 2 092 |
| Razavi Khorasan | 12 828 | 11 829 | 11 839 |
| North Khorasan | 2 129 | 2 154 | 2 164 |
| Khuzestan | 9 131 | 8 624 | 9 074 |
| Zanjan | 2 231 | 2 284 | 2 261 |
| Semnan | 1 474 | 1 353 | 1 444 |
| Sistan and Baluchestan | 3 967 | 4 222 | 4 540 |
| Fars | 10 852 | 10 401 | 10 487 |
| Qazvin | 2 306 | 2 270 | 2 503 |
| Qom | 2 581 | 2 471 | 2 554 |
| Kurdistan | 3 829 | 3 787 | 3 871 |
| Kerman | 7 214 | 6 843 | 7 087 |
| Kermanshah | 4 427 | 4 224 | 4 481 |
| Kohgiluyeh and Boyer-Ahmad | 2 353 | 2 348 | 2 271 |
| Golestan | 3 175 | 2 954 | 2 917 |
| Gilan | 5 043 | 4 841 | 4 975 |
| Lorestan | 4 478 | 4 277 | 4 269 |
| Mazandaran | 7 468 | 7 186 | 7 158 |
| Markazi | 2 276 | 2 085 | 2 384 |
| Hormozgan | 3 221 | 3 420 | 3 619 |
| Hamadan | 3 532 | 3 342 | 3 474 |
| Yazd | 2 318 | 2 164 | 2 257 |
| Alborz | 4 351 | 4 232 | 4 420 |