Highlights The prevalence of regular alcohol use was the highest among adolescents in Zambia but the lowest in Senegal. The prevalence of problematic alcohol use was higher in Argentina and Colombia than in any other low- and middle-income countries. The prevalence of regular and problematic alcohol use was the lowest in countries with Muslim and Buddhist religions. Samoa had the highest prevalence of smoking as well as in marijuana and amphetamine consumption.

Highlights There was a high prevalence of substance use among adolescents living in Indonesia, Laos, Malaysia, Myanmar, Philippines and Thailand. Heavy drinking was more prevalent among adolescents with higher than lower levels of internalizing problems. Regular alcohol and amphetamine use was common among adolescents who were frequently bullied by their peers. Binge drinking was common among adolescents who reported feelings lonely.

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