See data table below with 95% confidence intervals.Among current smokers aged 15-19, six out of ten (61.4%)a reported having ever attempted to quit smoking.

Half (50.8%)b of current smokers and recent quitters aged 15-19 had made a quit attempt lasting at least 24 hours in the past 12 months: approximately 20% had made one or two attempts, while 30% had made three or more attempts (Figure 11.4).

Between 2015 and 2017, there was no significant change in the percentage of smokers aged 15-19 who had tried to quit smoking in the past 12 months.121 

Since 1999, the proportion of smokers and recent quitters who had attempted to quit in the past 12 months has remained above half (Figure 11.5).

 See data table below with 95% confidence intervals.

95% confidence intervals for in-text estimates

a: 61.4 [51.5-71.4] 
b: 50.8 [41.1-60.6]