| | 2009 | | | Rank | Provinces | Number | | 1 | Nakhon Ratchasima | 660,373 | | 2 | Chiang Mai | 548,591 | | 3 | Chon Buri | 464,361 | | 4 | Khon Kaen | 443,329 | | 5 | Ubon Ratchathani | 438,695 | | 6 | Nakhon Si Thammarat | 398,929 | | 7 | Songkhla | 379,685 | | 8 | Udon Thani | 368,892 | | 9 | Pathum Thani | 357,865 | | 10 | Chiang Rai | 346,441 | | | Whole Kingdom | 15,060,631 |
| | | 2010 | | | Rank | Provinces | Number | | 1 | Si Sa Ket | 707,215 | | 2 | Nakhon Ratchasima | 681,825 | | 3 | Chiang Mai | 567,000 | | 4 | Chon Buri | 485,401 | | 5 | Khon Kaen | 455,928 | | 6 | Ubon Ratchathani | 453,337 | | 7 | Nakhon Si Thammarat | 412,558 | | 8 | Songkhla | 393,100 | | 9 | Pathum Thani | 379,789 | | 10 | Udon Thani | 379,242 | | | Whole Kingdom | 15,914,328 |
| | | 2011 | | | Rank | Provinces | Number | | 1 | Nakhon Ratchasima | 1,407,046 | | 2 | Ubon Ratchathani | 1,351,406 | | 3 | Roi Et | 921,813 | | 4 | Nakhon Si Thammarat | 852,664 | | 5 | Songkhla | 817,360 | | 6 | Si Sa Ket | 725,752 | | 7 | Buri Ram | 704,652 | | 8 | Surat Thani | 694,176 | | 9 | Surin | 609,048 | | 10 | Chiang Mai | 585,408 | | | Whole Kingdom | 24,008,481 |
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