Charted: Cigarette Smoking's Decline in U.S. Young Adults See the full infographic: https: www.visualcapitalist.com the decline of cigarette smoking in u s young adults 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 Vaping Is Better Than Smoking, But It's Still Very Bad Mother Jones Reported Reasons for Vaping Among U.S. Adolescents (2021 2023) National Institute on Drug Abuse (NIDA)