Ten provinces with  the least number of population. : 2010 - 2012   2010     Rank Provinces Number % 1 Ranong 183,079 0.29 2 Samut Songkhram 194,057 0.30 3 Sing Buri 214,661 0.34 4 Trat 220,921 0.35 5 Mae Hong Son 242,742 0.38 6 Nakhon Nayok 252,734 0.40 7 Phangnga 253,112 0.40 8 Ang Thong 284,970 0.45 9 Satun 297,163 0.47 10 Uthai Thani 327,959 0.51   Whole Kingdom 63,878,267 100   2011     Rank Provinces Number % 1 Ranong 183,849 0.29 2 Samut Songkhram 194,086 0.30 3 Sing Buri 213,587 0.33 4 Trat 222,013 0.35 5 Mae Hong Son 244,048 0.38 6 Nakhon Nayok 253,831 0.40 7 Phangnga 254,931 0.40 8 Ang Thong 284,061 0.44 9 Satun 301,467 0.47 10 Uthai Thani 328,034 0.51   Whole Kingdom 64,076,033 100   2012     Rank Provinces Number % 1 Ranong 182,648 0.28 2 Samut Songkhram 194,042 0.30 3 Sing Buri 213,216 0.33 4 Trat 222,855 0.35 5 Mae Hong Son 244,356 0.38 6 Nakhon Nayok 255,174 0.40 7 Phangnga 257,493 0.40 8 Ang Thong 283,882 0.44 9 Satun 305,879 0.47 10 Uthai Thani 328,950 0.51   Whole Kingdom 64,456,695 100 Source : Department of Local Administration,Ministry of Interior Compiled by : Statistical Forecasting Bureau,  National Statistical Office