Smoking is currently responsible for the death of 1 in 10 adults worldwide, or about 5 million deaths each year. Half of the 650 million people who smoke today will eventually be killed by tobacco, 1 and this morbidity and mortality can be mostly avoided if people stop smoking.
2The prevalence of smoking varies greatly around the world. Over 4.5 million people are current smokers in Canada, representing 18% of the population aged 15 years and older.