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Social costs measures the total cost of road crashes to the nation, including loss of life and life quality, loss of productivity, medical, legal, court and vehicle damage costs. Injury costs are classified into fatal, serious and minor injuries as reported by crash investigators.

Road crashes impose intangible, financial, and economic costs to society. These costs include reduced quality of life for survivors, reduced economic productivity, and medical and other resource costs. Te Manatū Waka updates the social cost of road crashes and injuries annually to allow comparison of the costs and benefits of any road safety actions in current dollars.

This report provides estimates of average social costs after accounting for:

  • any inflationary effects that affect different cost components
  • any changes in the number of crashes by area and severity
  • any changes in the average number of injuries involved in a crash by area and severity

The work to date


The 2021 update

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