Facing the option for the legalisation of cannabis use and supply in New Zealand: An overview of relevant evidence, concepts and considerations

Abstract Issues: Non‐medical cannabis policies are changing, including towards legalisation‐with‐regulation frameworks. New Zealand will hold a public referendum on cannabis legalisation in 2020. We reviewed data on cannabis use and health/social harms; policy reform options; experiences with and outcomes of reforms elsewhere; and other relevant considerations towards informing policy choices in the upcoming referendum. Approach: Relevant epidemiological, health, social, criminal justice and policy studies and data were identified and comprehensively reviewed. Key Findings: Cannabis use is common (including in New