While tobacco smoking rates have fallen across OECD countries, vaping is becoming increasingly common, especially among adolescents. On average, one in five 15 year olds report using e cigarettes in the past month, with girls Countries Where Vaping is Banned (or Heavily Restricted) Vaping Scout Can You Take Vapes Abroad? Global Vape Laws OK Vape A Travel Guide to Vaping Laws in Airports and on Planes How Old Do You Have to be to Vape? Age Limits in Various Countries