Assault mortality

Age differences

Over the period 2001 to 2005, young people aged 15 to 24 had a higher five-year average annual assault death rate than any other age group.

The rate for the 15 to 24 age group was 2.2 deaths per 100,000 population. The second highest rate was in the 25 to 44 age group, with a rate of 2.0 deaths per 100,000 population.

Five-year average annual assault mortality rate by age group, 1986-2005
  Assault deaths per 100,000 in age group
Five-year period 0-14 years 15-24 years 25-44 years 45-64 years 65 years +
1986–1990 1.3 3.1 2.8 1.5 1.3
1991–1995 1.2 2.5 2.2 1.9 1.0
1996–2000 1.1 1.9 2.3 1.3 0.9
2001–2005 0.8 2.2 2.0 1.3 0.9

Source: Ministry of Health, New Zealand Health Information Service.
Note: 2005 data is provisional.

Within the youth population, there is a difference between assault mortality rates for 15 to 19 year olds and those for 20 to 24 year olds, though the gap has closed since the 1980s.

In the period 1986-1990, the assault mortality rate for 20 to 24 year olds (4.9 deaths per 100,000 population) was more than three times higher than that of 15 to 19 year olds (1.4 deaths).

By the five year period from 2001 to 2005, the assault mortality rate for 20 to 24 year olds had lowered to 2.6 deaths per 100,000 population, and that for 15 to 19 year olds had risen slightly to 1.8 per 100,000.

Five-year average annual assault mortality rate by youth age group, 1986-2005
  Assault deaths per 100,000 in age group
Five-year period 15 to 19 years 20 to 24 years
1986–1990 1.4 4.9
1991–1995 1.4 3.6
1996–2000 1.6 2.3
2001–2005 1.8 2.6

Source: Ministry of Health, New Zealand Health Information Service.
Note: 2005 data is provisional.