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 | 339 506 | 1,09% |
| 2011 | 335 853 | 1,26% |
| 2010 | 331 686 | 1,10% |
| 2009 | 328 082 | 0,89% |
| 2008 | 325 183 | 0,69% |
| 2007 | 322 970 | 0,23% |
| 2006 | 322 238 | 0,31% |
| 2005 | 321 244 | 0,72% |
| 2004 | 318 958 | -0,70% |
| 2003 | 321 197 |