Evaluation of Availability of Survey Data About Cannabis Use

Key Points Question Are US national data measuring aspects of cannabis use consistently available across states and over time? Findings This case series study examining 7 state and US nationwide surveys found that limited data are available at the state or national level to monitor 8 key dimensions of cannabis use and perceptions. Meaning These findings suggest that despite growing public support for cannabis legalization, monitoring public health effects of state and national policies may be difficult owing to a lack of available data in existing population surveys.