How Old Do You Have to Be to Vape? Vaping360 Legal age to buy tobacco in U.S. raised to 21 years old The Taylorsville Times 8 in 10 Support raising the minimum age to purchase tobacco products, e cigarettes, and vaping devices to 21 Tobacco 21 Parents of Children, Teens Unaware of Minimum Legal Age for Tobacco New Pa. law raising smoking, vaping age to 21 to take effect in July 2020 FHS Press Vaping on the rise in U.S., especially among young people Pew Research Center