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In 2019, 119,388 students from 198 schools participated in the survey, providing a nationally representative sample of adolescents in Wales.

Tobacco remains a leading cause of death and disability, while concerns have been expressed regarding young people’s use of e-cigarettes and the risk that such use may act as a gateway to smoking or may renormalize tobacco use. This briefing presents recent data on smoking and vaping prevalence among 11 to 16 year olds in Wales.