Smoking Prevalence and Cigarette Consumption in 187 Countries, 1980-2012

Tobacco is a leading global disease risk factor. Understanding national trends in prevalence and consumption is critical for prioritizing action and evaluating tobacco control progress.To estimate the prevalence of daily smoking by age and sex and the number of cigarettes per smoker per day for 187 countries from 1980 to 2012.Nationally representative sources that measured tobacco use (n = 2102 country-years of data) were systematically...