DrugFacts: Monitoring the Future Survey: High School and Youth Trends | National Institute on Drug Abuse (NIDA) - www.drugabuse.gov

The most striking finding of this year’s Monitoring the Future (MTF) survey of drug use and attitudes among 8th, 10th, and 12th graders in hundreds of schools across the country is a substantial and significant increase in vaping. Overall, rates of vaping are second only to alcohol among substances surveyed, with 17.6 percent of 8th graders, 32.3 percent of 10th graders, and 37.3 percent of 12th graders reporting past-year vaping.....
https://www.drugabuse.gov/publications/drugfacts/monitoring-future-survey-high-school-youth-trends