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 | France | 302 |
| 2 | Belgium | 263 |
| 3 | Italy | 251 |
| 4 | Spain | 243 |
| 5 | Netherlands | 232 |
| 6 | Germany | 205 |
| 7 | Switzerland | 202 |
| 8 | Great Britain | 158 |
| 9 | Australia | 143 |
| 10 | United States | 130 |
| 11 | Colombia | 110 |
| 12 | Denmark | 105 |
| 13 | Russia | 96 |
| 14 | Portugal | 83 |
| 15 | Austria | 75 |
| 16 | Poland | 70 |
| 17 | Luxembourg | 54 |
| 18 | Japan | 51 |
| 19 | Ukraine | 45 |
| 20 | Sweden | 45 |
| 21 | Norway | 43 |
| 22 | Canada | 41 |
| 23 | Czech Republic | 40 |
| 24 | Kazakhstan | 34 |
| 25 | Slovenia | 30 |
| 26 | Ireland | 27 |
| 27 | Venezuela | 25 |
| 28 | New Zealand | 25 |
| 29 | South Africa | 25 |
| 30 | Estonia | 25 |
| 31 | Argentina | 22 |
| 32 | Slovakia | 22 |
| 33 | Lithuania | 22 |
| 34 | Brazil | 20 |
| 35 | Latvia | 19 |
| 36 | Hungary | 18 |
| 37 | Morocco | 15 |
| 38 | Mexico | 13 |
| 39 | Eritrea | 12 |
| 40 | Bulgaria | 12 |
| 41 | India | 11 |
| 42 | Croatia | 10 |
| 43 | Belarus | 10 |
| 44 | Iran | 9 |
| 45 | Costa Rica | 8 |
| 46 | Ecuador | 7 |
| 47 | San Marino | 6 |
| 48 | Finland | 6 |
| 49 | Hongkong | 6 |
| 50 | Uzbekistan | 5 |
| 51 | Greece | 5 |
| 52 | Serbia | 5 |
| 53 | Liechtenstein | 4 |
| 54 | Romania | 4 |
| 55 | Algeria | 4 |
| 56 | Moldova | 4 |
| 57 | South Korea | 4 |
| 58 | Yugoslavia | 4 |
| 59 | Rwanda | 3 |
| 60 | Burkina Faso | 3 |
| 61 | Uruguay | 3 |
| 62 | Ethiopia | 2 |
| 63 | Malaysia | 2 |
| 64 | Chile | 2 |
| 65 | Andorra | 2 |
| 66 | Tunisia | 2 |
| 67 | Namibia | 2 |
| 68 | Azerbaijan | 2 |
| 69 | Israel | 2 |
| 70 | Jamaica | 1 |
| 71 | Zimbabwe | 1 |
| 72 | Egypt | 1 |
| 73 | Bahamas | 1 |
| 74 | Guatemala | 1 |
| 75 | China | 1 |
| 76 | Albania | 1 |
| 77 | Mongolia | 1 |
| 78 | Turkey | 1 |