Vaping in America, by the Numbers What don't we know about vaping? Research!America Nicotine use among young people is evolving. New research shows more youth are using multiple nicotine products at the same timemost commonly cigarettes and e cigarettes, with a growing rise in combining vapes Chart: The U.S. States That Smoke The Most Statista What Percentage of Americans Smoke? Vapesourcing Opinion Less than 10 percent now smoke, but we're still far from finished AOL