Over the past five years more than half a million people have taken the survey. The 2018 edition was compiled from 130,000 people from over 40 countries. 3223 New Zealanders completed the survey.
The average cost of cocaine in the UK was $127 per gram, according to the survey. In Scotland is was $145, in the United States $92, and in the Netherlands $80.
The survey of 15,000 cocaine users worldwide also found that participants could get cocaine delivered quicker on average than they could get a pizza.
When asked "can you get get cocaine in less than 30 minutes", 30.3 per cent of respondants replied "yes", compared to the 16.5 per cent who said "yes" to getting a sub-30 minute pizza delivery.
- additional reporting MailOnline