Ten provinces with  the highest number of employed persons with elementary education. : 2010 - 2012   2010   Rank Provinces Employee 1 Ubon Ratchathani 330,378 2 Si Sa Ket 303,637 3 Udon Thani 273,519 4 Surin 215,203 5 Nakhon Si Thammarat 212,503 6 Sakon Nakhon 196,438 7 Kalasin 190,752 8 Nakhon Sawan 163,761 9 Nong Khai 154,796 10 Nakhon Phanom 154,414   Whole Kingdom 3,648,180   2011   Rank Provinces Employee 1 Bangkok 670,550 2 Nakhon Ratchasima 361,151 3 Ubon Ratchathani 311,036 4 Si Sa Ket 284,061 5 Khon Kaen 258,237 6 Sakon Nakhon 243,433 7 Nakhon Si Thammarat 234,531 8 Udon Thani 228,147 9 Buri Ram 217,441 10 Roi Et 204,408   Whole Kingdom 8,881,209   2012   Rank Provinces Employee 1 Bangkok 585,786 2 Nakhon Ratchasima 347,092 3 Ubon Ratchathani 327,513 4 Khon Kaen 303,883 5 Udon Thani 261,900 6 Si Sa Ket 256,208 7 Nakhon Si Thammarat 242,868 8 Sakon Nakhon 237,527 9 Buri Ram 236,047 10 Roi Et 227,934   Whole Kingdom 9,044,890 Statistical Forecasting Bureau,  National Statistical Office