Number of riders active in this season.
| Pos. | Nation | #Riders |
|---|---|---|
| 1 | Italy | 53 |
| 2 | Belgium | 52 |
| 3 | France | 46 |
| 4 | Netherlands | 38 |
| 5 | Australia | 33 |
| 6 | Germany | 32 |
| 7 | Spain | 31 |
| 8 | Great Britain | 24 |
| 9 | United States | 20 |
| 10 | Colombia | 19 |
| 11 | Denmark | 18 |
| 12 | Switzerland | 14 |
| 13 | Slovenia | 12 |
| 14 | South Africa | 11 |
| 15 | Poland | 11 |
| 16 | Austria | 10 |
| 17 | New Zealand | 10 |
| 18 | Kazakhstan | 10 |
| 19 | Norway | 9 |
| 20 | Portugal | 7 |
| 21 | Czech Republic | 6 |
| 22 | Luxembourg | 5 |
| 23 | Russia | 5 |
| 24 | Ireland | 5 |
| 25 | Canada | 3 |
| 26 | Ecuador | 3 |
| 27 | Slovakia | 3 |
| 28 | Japan | 2 |
| 29 | Belarus | 2 |
| 30 | Lithuania | 2 |
| 31 | Eritrea | 2 |
| 32 | Argentina | 2 |
| 33 | Taiwan | 1 |
| 34 | Sweden | 1 |
| 35 | United Arab Emirates | 1 |
| 36 | Hungary | 1 |
| 37 | China | 1 |
| 38 | Mexico | 1 |
| 39 | Croatia | 1 |
| 40 | Finland | 1 |
| 41 | Costa Rica | 1 |
| 42 | Ukraine | 1 |
| 43 | Latvia | 1 |
| 44 | Ethiopia | 1 |
| 45 | Estonia | 1 |