How Old Do You Have To Be To Vape? A majority of surveyed parents didn't know a person must be 21 to purchase tobacco products in the United States. The federal age limit for buying cigarettes, vapes, nicotine pouches and other The Legal Vaping Age How Old Do You Have to Be to Vape? We regularly receive reports of retailers selling vapes to children, who are often enticed by the colourful packaging and sweet flavours used by some vaping manufacturers. The legal age to buy vapes