Prevalence of tobacco use

Prevalence of tobacco use is reported by the World Health Organization (WHO), which focuses on cigarette smoking due to reported data limitations. Smoking has therefore been studied more extensively than any other form of consumption.

Smoking is globally five times more prevalent among men than women; however, the gender gap is narrower in developed countries and in younger age groups. Among developed nations, smoking rates for both men and women have begun to decline. Smoking prevalence has changed little since the mid-1990s, before which time it declined in English-speaking countries due to the implementation of tobacco control. However, the number of smokers worldwide has increased from 721 million in 1980 to 967 million in 2012, and the number of cigarettes smoked increased from 4.96 trillion to 6.25 trillion due to population growth.

In Western countries, smoking is more prevalent among populations with mental health problems, with alcohol and drug problems, among criminals, among the working poor, and among the homeless. In 2002, about 20% of young teens (aged 13–15) smoked worldwide. 80,000 to 100,000 children begin smoking every day. Half of those who begin smoking in adolescent years are projected to go on to smoke for 15 to 20 years.

One of the targets of the Sustainable Development Goal 3 of the United Nations (to be achieved by 2030) is to "Strengthen the implementation of the World Health Organization Framework Convention on Tobacco Control in all countries, as appropriate." The indicator that is used to measure progress is the prevalence of tobacco use.