The share of high school students who used e-cigarettes exceeded 20 percent last year, more than 13 times the level in 2011. The share of middle school users increased eightfold between 2011 and 2018.

Source: U.S. Centers for Disease Control and Prevention

Data for the graphic are as follows:

Year Percentage of High School Students Using E-Cigarettes Percentage of Middle School Using E-Cigarettes
2011 1.5% 0.6%
2012 2.8% 1.1%
2013 4.5% 1.1%
2014 13.4% 3.9%
2015 16% 5.3%
2016 11.3% 4.3%
2017 11.7% 3.3%
2018 20.8% 4.9%

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