Level of helmet wearing among children pre- and post-legislation
| Country | Pre-legislation | Post-legislation |
|---|---|---|
| Source: Department of Transport Report No. 30, Bicycle helmets—a review of their effectiveness (2002). | ||
| Victoria, Australia, aged 5–17 years | 43% (1990) | 68% (1992) |
| British Columbia, Canada, aged 6–15 years | 35% (1995) | 61% (1999) |
| New Zealand, aged 5–18 years | 11% (1986) | 73% (1994) |