Stock of road tractors (number)
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
| North East | 2 517 | 2 554 | 3 624 | 3 726 | 3 682 | 3 937 | 4 075 | 4 223 | 4 274 | 4 333 | 4 070 |
| North West | 10 669 | 11 072 | 14 787 | 15 291 | 17 895 | 19 159 | 19 879 | 20 473 | 18 711 | 18 997 | 18 743 |
| Yorkshire and The Humber | 6 909 | 11 537 | 14 874 | 15 184 | 13 153 | 13 340 | 13 919 | 14 723 | 15 554 | 17 103 | 17 725 |
| East Midlands | 6 040 | 9 208 | 10 484 | 13 200 | 13 586 | 14 223 | 14 664 | 15 432 | 15 775 | 16 333 | 17 510 |
| West Midlands | 7 041 | 7 782 | 10 719 | 11 010 | 11 469 | 12 122 | 13 413 | 14 157 | 14 643 | 15 039 | 15 971 |
| East of England | 7 997 | 9 445 | 12 221 | 12 658 | 12 604 | 13 162 | 12 945 | 13 766 | 13 663 | 13 806 | 13 855 |
| London | 4 078 | 2 227 | 2 085 | 2 368 | 2 491 | 2 382 | 2 405 | 2 623 | 2 802 | 2 824 | 2 905 |
| South East | 8 471 | 8 972 | 12 254 | 10 395 | 11 370 | 12 394 | 13 319 | 15 177 | 15 066 | 15 576 | 16 637 |
| South West | 5 301 | 6 323 | 7 920 | 9 042 | 9 475 | 10 536 | 11 329 | 11 778 | 8 956 | 9 270 | 9 138 |
| Wales | 2 221 | 2 652 | 3 475 | 3 533 | 3 531 | 3 825 | 3 950 | 4 117 | 4 313 | 4 562 | 4 683 |
| Scotland | 4 615 | 5 112 | 6 958 | 7 395 | 7 690 | 8 233 | 8 645 | 9 205 | 9 785 | 10 232 | 9 856 |
| Northern Ireland | | | | | | | 768 | 1 823 | 2 947 | 3 905 | 4 847 |