Collection description
Every 3 years, up to 30,000 secondary school students aged 12 to 17 take part in the ASSAD survey.
The survey helps governments and other organisations understand specific trends in this demographic.
2022–2023 survey
- The 2022–2023 survey was split into 2 separate reports. these include prevalence, behaviours and trends over time. - The survey was postponed from 2020 due to the COVID-19 pandemic's restrictions on school survey involvement. 
2017 survey
- The reports below present findings from the 2017 survey. The survey covered secondary school students’ substance use and a longitudinal overview of substance use trends from 1996-2017. 
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