The percentage of U.S. adults who smoke cigarettes was 17.8 percent in 2013, a drop from 20.9 percent in 2005, and the lowest rate of smoking since researchers began tracking this figure in 1965.
The percentage of U.S. adults who smoke cigarettes was 17.8 percent in 2013, a drop from 20.9 percent in 2005, and the lowest rate of smoking since researchers began tracking this figure in 1965.