Excluded Bueng Kan province from Nong Khai province on March 23, 2011. 2004: the Department of Provincial Administration, Ministry of Interior, has reviewed, made necessary correction and properly dealt with double counting of the figure on Thailand's total population, therefore, the accurate figure of the country's total population has been accordingly attained.
| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 4 589 529 | 1,02% |
| 2011 | 4 543 140 | 0,95% |
| 2010 | 4 500 470 | 0,96% |
| 2009 | 4 457 810 | 0,90% |
| 2008 | 4 418 015 | 1,06% |
| 2007 | 4 371 829 | 0,66% |
| 2006 | 4 343 257 | 1,05% |
| 2005 | 4 298 157 | 1,06% |
| 2004 | 4 253 279 | -0,58% |
| 2003 | 4 278 288 |