Ten provinces with most percentage of less than elementary graduated employee: 2004 - 2006
  2004  
Rank Provinces %
1 Chiang Rai 57.75
2 Tak 57.61
3 Mae Hong Son 56.14
4 Ranong 55.84
5 Nakhon Sawan 51.70
6 Surin 49.49
7 Pattani 49.07
8 Chai Nat 48.57
9 Phichit 47.91
10 Uthai Thani 47.90
  Whole Kingdom 39.08
  2005  
Rank Provinces %
1 Chiang Rai 57.68
2 Phayao 52.39
3 Nakhon Sawan 52.33
4 Kamphaeng Phet 52.16
5 Mae Hong Son 51.97
6 Lampang 51.94
7 Tak 51.65
8 Sukhothai 51.50
9 Phichit 50.42
10 Phetchabun 49.87
  Whole Kingdom 38.95
  2006  
Rank Provinces %
1 Nan 56.84
2 Chiang Rai 54.52
3 Mae Hong Son 54.33
4 Sukhothai 53.37
5 Phayao 51.97
6 Phrae 51.56
7 Tak 50.38
8 Kamphaeng Phet 49.39
9 Nakhon Sawan 49.22
10 Phetchabun 48.74
  Whole Kingdom 37.84
Statistical Forecasting Bureau,  National Statistical Office