Explore Gallup's research.
The cigarette smoking rate among young adults in the U.S. has fallen by more than 20 points in the past two decades. Young adults are now more likely to smoke marijuana or electronic cigarettes than tobacco cigarettes.
More than two-thirds of Americans favor legalizing marijuana, with ideology, religiosity, party identification and age most predictive of support.
While Americans' cigarette use is in steep decline, future changes in their use of marijuana and alcohol are uncertain.
E-cigarettes are an increasingly popular alternative to tobacco products, especially among young adults -- but how many Americans vape regularly?
Americans favor some proposals designed to discourage new or current smokers more than others but generally want to see regulations tightened on electronic cigarettes.
Smoking is much more prevalent among those with lower levels of formal education, an example of the general educational divide in health outcomes in the U.S. today.
Americans' use of cigarettes remains near its record low point. Fewer U.S. adults say they vape, and they are disproportionately young.