The estimated number of 45.3 million adults in US are smokers.
It amounts to 19.3% of the adult population in USA. More than 8 million people in US suffer from chronic illness caused by smoking. Smoking also accounts for 20%-30% of low-birth weight babies, 14% of preterm deliveries, and 10% of all infant deaths.
Cigarette smoking costs more than $193 billion including the lost productivity and expenditures on health care. The lifespan of smokers on an average is 13-14 years less than non-smokers.