Average annual fatal drowning rates by age and sex
| Age | Population (N) | Deaths per year (n) | Overall rate (per 100 000) | Male rate (per 100 000) | Females rate (per 100 000) |
| 1–4 | 55 512 | 135 | 243.8 (95% CI 213.2 to 274.4) | 245.0 (95% CI 214.4 to 275.7) | 241.2 (95% CI 210.7 to 271.6) |
| 5–9 | 82 401 | 32 | 38.8 (95% CI 26.6 to 51.0) | 41.3 (95% CI 28.7 to 53.9) | 35.4 (95% CI 23.7 to 47.0) |
| Total (1-9) | 137 914 | 167 | 121.3 (95% CI 99.7 to 142.9) | 123.3 (95% CI 101.5 to 145.1) | 118.2 (95% CI 96.9 to 139.5) |
A significant negative trend was found for the rate of drowning each year.