| WDC Leaders | # Seasons | Factor Points | % Seasons | Cummulative % |
|---|---|---|---|---|
| 6 | 1 | 10 | 1% | 1% |
| 4 | 6 | 8 | 9% | 10% |
| 3 | 20 | 6 | 30% | 40% |
| 2 | 23 | 34% | 75% | |
| 1 | 17 | 25% | 100% |
2010 takes the honours on this factor with 6 drivers leading the championship at various points during the season
- 25% of all seasons have had a single driver lead the championship from start to finish
- The 70’s and 80’s were the stand outs
- No seasons with only one leader
- 4 of the 6 seasons with 4 unique leaders in the sport’s history occur in this period