Nachfolgend sind die Ballungsräume mit mehr als 100.000 Einwohnern in Thailand aufgeführt, geordnet nach Einwohnerzahl.
Die Bevölkerung eines Ballungsraums (oder einer städtischen Agglomeration) bezieht sich auf die Einwohnerzahl innerhalb der Grenzen eines zusammenhängenden Gebiets, das mit städtischer Dichte besiedelt ist und typischerweise eine Stadt und ihren umliegenden Vorortgürtel umfasst.
| Rang | Städtisches Gebiet | Bevölkerungsschätzung (2025) | 1-Jahres-Veränderung (gegenüber 2024) | Landfläche (km²) | Dichte (P/km²) | Globaler Rang | Prognosen (2030) | Prognosen (2050) |
|---|---|---|---|---|---|---|---|---|
| 1 | Krung Thep Maha Nakhon (Bangkok) | 18.180.280 | 1,03% | 2.661 | 6.832 | 14 | 18.973.005 | 20.462.207 |
| 2 | Chiang Mai | 626.629 | −0,1% | 213 | 2.942 | 864 | 620.278 | 574.130 |
| 3 | Hat Yai | 407.059 | −0,09% | 78 | 5.219 | 1.387 | 403.114 | 379.192 |
| 4 | Phuket | 389.376 | −0,39% | 103 | 3.780 | 1.465 | 385.708 | 363.046 |
| 5 | Lop Buri | 378.160 | 3,97% | 110 | 3.438 | 1.500 | 407.983 | 469.212 |
| 6 | Chon Buri | 297.276 | 1,48% | 142 | 2.093 | 1.943 | 314.766 | 356.073 |
| 7 | Khon Kaen | 274.613 | −0,45% | 88 | 3.121 | 2.114 | 264.057 | 230.439 |
| 8 | Pattaya | 238.411 | 1% | 91 | 2.620 | 2.456 | 254.619 | 283.102 |
| 9 | Nakhon Pathom | 232.416 | 1,73% | 72 | 3.228 | 2.527 | 247.286 | 313.228 |
| 10 | Nakhon Ratchasima | 219.863 | −0,58% | 74 | 2.971 | 2.688 | 209.783 | 166.338 |
| 11 | Songkhla | 213.186 | −0,08% | 64 | 3.331 | 2.781 | 211.220 | 199.315 |
| 12 | Phra Nakhon Si Ayutthaya | 211.344 | 1,31% | 68 | 3.108 | 2.811 | 224.118 | 293.124 |
| 13 | Ubon Ratchathani | 191.866 | −0,94% | 55 | 3.488 | 3.132 | 186.548 | 162.207 |
| 14 | Phitsanulok | 189.643 | −0,33% | 58 | 3.270 | 3.171 | 184.089 | 161.197 |
| 15 | Lampang | 175.646 | −0,09% | 43 | 4.085 | 3.444 | 173.933 | 163.990 |
| 16 | Nakhon Si Thammarat | 151.713 | −0,1% | 36 | 4.214 | 3.993 | 150.107 | 141.500 |
| 17 | Thanyaburi | 146.811 | 2,03% | 45 | 3.262 | 4.147 | 155.517 | 180.639 |
| 18 | Udon Thani | 139.189 | −0,95% | 47 | 2.961 | 4.382 | 132.722 | 105.721 |
| 19 | Tha Chang | 133.416 | 1,23% | 35 | 3.812 | 4.571 | 161.826 | 186.843 |
| 20 | Ranong | 126.669 | −0,08% | 27 | 4.691 | 4.826 | 125.487 | 118.542 |
| 21 | Surat Thani | 126.423 | −0,11% | 45 | 2.809 | 4.833 | 125.064 | 100.789 |
| 22 | Yala | 113.021 | −0,1% | 23 | 4.914 | 5.457 | 111.836 | 105.498 |
| 23 | Chiang Rai | 112.713 | −0,09% | 27 | 4.175 | 5.472 | 110.132 | 103.755 |
| 24 | Nakhon Sawan | 105.331 | −0,35% | 34 | 3.098 | 5.856 | 102.945 | 84.773 |
| 25 | Sattahip | 102.065 | 1,21% | 39 | 2.617 | 6.052 | 107.681 | 169.375 |
| 26 | Thalang | 100.444 | −0,08% | 31 | 3.240 | 6.151 | 99.526 | 92.410 |
| 27 | Saraburi | 99.411 | 1,14% | 29 | 3.428 | 6.212 | 106.006 | 138.125 |
| 28 | Ban Phaeo | 97.791 | 8,95% | 34 | 2.876 | 6.329 | 111.208 | 189.063 |
| 29 | Uttaradit | 95.103 | −0,08% | 21 | 4.529 | 6.494 | 94.202 | 88.310 |
| 30 | Phetchaburi | 90.351 | 1,31% | 24 | 3.765 | 6.863 | 97.709 | 105.197 |
| 31 | Suphan Buri | 86.952 | 1,56% | 28 | 3.105 | 7.158 | 114.467 | 156.529 |
| 32 | Ratchaburi | 81.268 | 1,9% | 24 | 3.386 | 7.675 | 84.855 | 95.982 |
| 33 | Pattani | 80.097 | −0,52% | 20 | 4.005 | 7.784 | 79.305 | 75.002 |
| 34 | Chachoengsao | 79.378 | 1,41% | 22 | 3.608 | 7.858 | 84.717 | 93.581 |
| 35 | Kanchanaburi | 78.800 | 1,15% | 27 | 2.919 | 7.917 | 85.916 | 94.459 |
| 36 | Kamphaeng Phet | 77.135 | −0,32% | 22 | 3.506 | 8.086 | 75.495 | 67.559 |
| 37 | Buri Ram | 75.480 | −1,4% | 20 | 3.774 | 8.252 | 72.983 | 61.893 |
| 38 | Saen Suk | 74.389 | −0,47% | 23 | 3.234 | 8.388 | 72.241 | 59.563 |
| 39 | Map Ta Phut | 73.495 | 1,62% | 40 | 1.837 | 8.473 | 77.577 | 96.407 |
| 40 | Trang | 72.063 | −0,1% | 19 | 3.793 | 8.635 | 71.333 | 67.411 |
| 41 | Roi Et | 71.470 | −0,46% | 22 | 3.249 | 8.695 | 69.424 | 59.913 |
| 42 | Rayong | 71.127 | – | 47 | 1.513 | 8.727 | 74.717 | 117.223 |
| 43 | Pa Tong | 70.931 | −0,1% | 9 | 7.881 | 8.752 | 70.209 | 66.049 |
| 44 | Phatthalung | 68.108 | −0,1% | 13 | 5.239 | 9.107 | 67.407 | 63.573 |
| 45 | Phrae | 67.504 | −0,1% | 22 | 3.068 | 9.177 | 66.796 | – |
| 46 | Prachin Buri | 66.758 | 1,26% | 15 | 4.451 | 9.287 | 73.588 | 89.708 |
| 47 | Mukdahan | 65.415 | −0,44% | 14 | 4.673 | 9.471 | 63.636 | 57.489 |
| 48 | Kalasin | 62.932 | −0,45% | 16 | 3.933 | 9.841 | 61.173 | 52.873 |
| 49 | Sakon Nakhon | 62.237 | −0,45% | 15 | 4.149 | 9.981 | 60.491 | 54.551 |
| 50 | Phetchabun | 60.742 | −0,8% | 19 | 3.197 | 10.210 | 59.414 | – |
| 51 | Nakhon Phanom | 60.665 | −0,44% | 15 | 4.044 | 10.224 | 59.005 | 51.175 |
| 52 | Chumphon | 58.934 | −0,1% | 16 | 3.683 | 10.488 | 58.309 | 52.008 |
| 53 | Klaeng | 56.897 | – | 14 | 4.064 | 10.825 | 59.899 | 74.015 |
| 54 | Maha Sarakham | 55.782 | −0,97% | 17 | 3.281 | 11.047 | 54.208 | – |
| 55 | Tha Pha | 52.916 | – | 22 | 2.405 | 11.626 | 55.411 | 88.462 |
| 56 | Nong Khai | 50.265 | −0,47% | 15 | 3.351 | 12.093 | – | – |
Quelle: Vereinte Nationen, Hauptabteilung Wirtschaftliche und Soziale Angelegenheiten, Bevölkerungsabteilung (2025). World Urbanization Prospects: The 2025 Revision, Online Edition.