Norway's New Vape Regulations Guide for Consumers, Retailers Ecigator How Old Do You Have to be to Vape? Age Limits in Various Countries 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 Global Vaping Laws: Countries Where Vaping Is Illegal and Legal