Associations between vaping and daily cigarette consumption among individuals with psychological distress Public Believes Nicotine Based Smoking and Vaping Products Are More Harmful Than Those Containing THC NORC at the University of Chicago In 1980, roughly a third of American adults still smoked. Now here's a figure from 2024: 9.9 percent. That's the share of American adults who smoke cigarettes, according to data from the Tobacco Truth: How Many Americans Vape? CDC Data Show Fewer Vapers & Smokers in 2015