Home > The New Zealand Drug Harm Index 2016.

McFadden Consultancy. (2016) The New Zealand Drug Harm Index 2016. Wellington: Ministry of Health.

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The Index 2016 estimates the social cost of drug-related harms and intervention costs in 2014/15 as NZ$1.8 billion.

The total cost of illicit drug use has been considered as having three components.
• The cost of personal harm, that is, the harms that descend upon an individual as a consequence of their drug use. This will comprise physical health, psychological wellbeing and personal wealth.
• The cost of community harm, that is, the cost of crime attributable to drug use, injury to others, the various harms to family and friends and a reduced tax base.
• The cost of interventions by agencies that occur as a result of attempts to address the harms associated with illicit drug use and include health, education and law enforcement.

Overall, the social cost of drug use is estimated at NZ$33,800 per year per dependent user and NZ$2,300 per year per casual user.

The cost to the family and friends of drug users is identified in this report for the first time. An emerging literature exists on this topic which has formed the basis of a cost estimate of the pain and suffering endured by family and friends at $438 million. This is the single largest cost estimate in the 2016 DHI model.

The DHI estimates that the Government is spending at least $230 million each year to address a $1.8 billion problem. It should be possible to improve the transparency of this expenditure over time. Government agencies vary in their ability to report their expenditure on drug-related matters. It is probable that the current figure is an underestimate of real expenditure.

An estimate of the true cost of drug-related crime is included for the first time in any DHI. While previous DHIs have included the cost of combating crime within the general category of crime, this new classification identifies three types of drug-related crime:
• acquisitive crime by users to support their drug use (NZ$140 million)
• funding of non-drug related crime types from the proceeds of drug trafficking as part of the diversification of organised crime’s business interest (NZ$70 million)
• tax avoidance on the revenue raised from the sale of illegal drugs (NZ$254 million).

This Drug Harm index was commissioned by the Ministry of Health. The original New Zealand DHI published in 2008 provided law enforcement with a way of reporting drug seizure activity in a single meaningful number that also represented the dollar value of its social impact to the community. Although the DHI was originally developed in a law enforcement context, it was soon recognised that a single index would be of value in tracking the total harm caused by illicit drugs.


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