How Old Do You Have to Be to Buy Cigarettes in the US? What is the Minimum Age to Vape? Snuskingdom Snuskingdom Most E cigarette Users Ages 18 to 29 Never Smoked Before American Cancer Society FDA raises legal age to buy tobacco products to 21 Vox How Old Do You Have to Be to Vape? New Study: Parent Knowledge of the U.S. Tobacco 21 Law Do you know the legal age to purchase tobacco in the U.S.? It turns out many parents don't. In a survey