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 | 671 615 | 1,23% |
| 2011 | 663 485 | 1,26% |
| 2010 | 655 259 | 1,18% |
| 2009 | 647 624 | 0,85% |
| 2008 | 642 169 | 0,68% |
| 2007 | 637 806 | 0,33% |
| 2006 | 635 730 | 0,21% |
| 2005 | 634 376 | 0,72% |
| 2004 | 629 861 | -0,75% |
| 2003 | 634 619 |