Teen cigarette smoking has decreased over the past year.  However, marijuana smoking seems to be increasing among the same age group.

Aim

To track teen smoking rates between 1997–2013.

Results

Cigarette or cigar rate smoking among teenagers dropped from 20.5% to slightly more than 7%.  However marijuana use went from 4% to 10%.  Amongst teens who smoked cigarettes or cigars, marijuana use increased from 51% to 62%.

Conclusion

According to this report, the use of marijuana among teens is increasing.

Reference