Overview of the number of competitors per nation. Note that for races with a long history this statistic will be incomplete as historical starting lists are not always complete.
| Pos. | Nation | #Different riders |
|---|---|---|
| 1 | Belgium | 1044 |
| 2 | France | 361 |
| 3 | Netherlands | 298 |
| 4 | Italy | 211 |
| 5 | Germany | 129 |
| 6 | Switzerland | 52 |
| 7 | Great Britain | 49 |
| 8 | Denmark | 49 |
| 9 | Australia | 43 |
| 10 | Spain | 37 |
| 11 | United States | 37 |
| 12 | Russia | 34 |
| 13 | Austria | 28 |
| 14 | Poland | 22 |
| 15 | Canada | 20 |
| 16 | New Zealand | 20 |
| 17 | Norway | 18 |
| 18 | Czech Republic | 16 |
| 19 | Kazakhstan | 15 |
| 20 | Slovenia | 13 |
| 21 | Luxembourg | 12 |
| 22 | Ireland | 12 |
| 23 | Estonia | 11 |
| 24 | Lithuania | 10 |
| 25 | South Africa | 8 |
| 26 | Ukraine | 8 |
| 27 | Sweden | 8 |
| 28 | Belarus | 7 |
| 29 | Latvia | 7 |
| 30 | Slovakia | 6 |
| 31 | Colombia | 5 |
| 32 | Japan | 5 |
| 33 | Finland | 5 |
| 34 | Brazil | 3 |
| 35 | China | 3 |
| 36 | Argentina | 2 |
| 37 | Hongkong | 2 |
| 38 | Portugal | 2 |
| 39 | Romania | 1 |
| 40 | Algeria | 1 |
| 41 | Bulgaria | 1 |
| 42 | Albania | 1 |
| 43 | Israel | 1 |
| 44 | Eritrea | 1 |
| 45 | Azerbaijan | 1 |