Ten province with most secondary graduated employee: 2004 - 2006
  2004  
Rank Provinces Employee
1 Bangkok 1,383,980
2 Nakhon Ratchasima 360,376
3 Samut Prakan 250,714
4 Nakhon Si Thammarat 232,911
5 Songkhla 226,910
6 Khon Kaen 214,692
7 Chiang Mai 211,136
8 Ubon Ratchathani 206,668
9 Si Sa Ket 203,257
10 Chon Buri 195,101
  Whole Kingdom 9,069,461
  2005  
Rank Provinces Employee
1 Bangkok 1,160,617
2 Samut Prakan 350,344
3 Nakhon Ratchasima 348,651
4 Nakhon Si Thammarat 237,017
5 Chiang Mai 230,651
6 Nonthaburi 229,015
7 Chon Buri 220,098
8 Si Sa Ket 219,738
9 Songkhla 215,439
10 Ubon Ratchathani 198,328
  Whole Kingdom 9,119,352
  2006  
Rank Provinces Employee
1 Bangkok 1,188,506
2 Nakhon Ratchasima 389,988
3 Samut Prakan 364,770
4 Nakhon Si Thammarat 259,714
5 Nonthaburi 226,591
6 Chon Buri 222,361
7 Songkhla 214,511
8 Chiang Mai 212,826
9 Khon Kaen 198,096
10 Pathum Thani 188,548
  Whole Kingdom 9,445,202
Statistical Forecasting Bureau,  National Statistical Office