Ten provinces with least vehicle registration: 2005 - 2007   2005     Rank Provinces Number % 1 Mae Hong Son 34,500 0.14 2 Ranong 56,445 0.23 3 Samut Songkhram 62,753 0.26 4 Nong Bua Lam Phu 80,200 0.33 5 Samut Prakan 81,926 0.33 6 Trat 82,523 0.34 7 Amnat Charoen 82,780 0.34 8 Mukdahan 85,935 0.35 9 Pangnga 92,116 0.38 10 Pathum Thani 94,929 0.39   Whole Kingdom 24,500,300 100   2006     Rank Provinces Number % 1 Mae Hong Son 34,661 0.14 2 Ranong 52,626 0.22 3 Samut Songkhram 54,015 0.23 4 Amnat Charoen 81,199 0.34 5 Samut Prakan 81,520 0.34 6 Trat 85,208 0.36 7 Nong Bua Lam Phu 85,558 0.36 8 Mukdahan 89,212 0.37 9 Pathum Thani 90,897 0.38 10 Nakhon Nayok 92,187 0.38   Whole Kingdom 23,958,454 100   2007     Rank Provinces Number % 1 Mae Hong Son 35,911 0.15 2 Samut Songkhram 53,588 0.22 3 Ranong 54,820 0.22 4 Amnat Charoen 82,525 0.33 5 Samut Prakan 88,313 0.36 6 Trat 91,647 0.37 7 Nong Bua Lam Phu 91,825 0.37 8 Mukdahan 91,828 0.37 9 Nakhon Nayok 93,415 0.38 10 Pathum Thani 95,595 0.39   Whole Kingdom 24,737,952 100 Souce : Department of Land Transport, Ministry of Transport Compiled by : Statistical Forecasting Bureau,  National Statistical Office