Calculated as number of couples with marriage certificate. Bueng Kan, the 77th province, was newly established on March 23, 2011, separated from Nong Khai province.
| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 39 471 | 6,63% |
| 2011 | 37 017 | 9,25% |
| 2010 | 33 882 | -14,10% |
| 2009 | 39 443 | 3,58% |
| 2008 | 38 079 | 0,14% |
| 2007 | 38 027 | -13,63% |
| 2006 | 44 030 | 2,08% |
| 2005 | 43 134 | -4,09% |
| 2004 | 44 975 | 9,72% |
| 2003 | 40 992 |