Ten provinces with most of motorcycle: 2009 - 2011   2009     Rank Provinces Number % 1 Bangkok 2,390,366 14.44 2 Chon Buri 639,081 3.86 3 Chiang Mai 585,619 3.54 4 Nakhon Ratchasima 582,152 3.52 5 Songkhla 407,210 2.46 6 Nakhon Si Thammarat 364,914 2.21 7 Khon Kaen 359,399 2.17 8 Chiang Rai 352,005 2.13 9 Ubon Ratchathani 347,626 2.10 10 Surat Thani 333,617 2.02   Whole Kingdom 16,549,307 100   2010     Rank Provinces Number % 1 Bangkok 2,502,437 14.59 2 Chon Buri 675,702 3.94 3 Chiang Mai 614,739 3.58 4 Nakhon Ratchasima 603,198 3.52 5 Songkhla 415,943 2.42 6 Nakhon Si Thammarat 375,515 2.19 7 Khon Kaen 373,116 2.17 8 Chiang Rai 367,825 2.14 9 Ubon Ratchathani 363,274 2.12 10 Surat Thani 339,555 1.98   Whole Kingdom 17,156,712 100   2011     Rank Provinces Number % 1 Bangkok 2,633,173 14.61 2 Chon Buri 722,439 4.01 3 Chiang Mai 651,322 3.61 4 Nakhon Ratchasima 635,224 3.53 5 Songkhla 441,083 2.45 6 Nakhon Si Thammarat 400,472 2.22 7 Khon Kaen 393,379 2.18 8 Chiang Rai 385,944 2.14 9 Ubon Ratchathani 384,203 2.13 10 Surat Thani 360,461 2.00   Whole Kingdom 18,018,066 100 Souce : Department of Land Transport, Ministry of Transport Compiled by : Statistical Forecasting Bureau,  National Statistical Office