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Recent trends in tobacco consumption--Canada and other countries.

Canada ranks 4th among all nations and leads the major industrialized nations in per capita consumption of manufactured cigarettes -- the dominant although not the only form of tobacco consumed worldwide. Per capita tobacco consumption declined slightly in Canada from 1974-82 but total consumption actually increased -- but not as rapidly as population growth. Preliminary data for 1983 show that Canadian tobacco consumption decreased substantially. For 12 months in 1981-82 the price of tobacco products in Canada increased faster than the rate of inflation likely accounting in large measure for decreased consumption. In the US per capita cigarette consumption for individuals 18 years or older has decreased at an annual rate of 0.6% from 1963-78 even less than the rate of decline reported for Canada. Additionally the proportion of smokers has declined at an annual rate of 1.6% from 1965-80 (42% to 33%). The relatively high rate of decline in the percentage of smokers compared with that in per capita cigarette consumption indicates that the average number of cigareetes smoked per smoker has increased. The increase in the number of cigarettes consumed per smoker has averaged approximately 1% per year. The decline in the percentage of persons in the US who smoke has been at least partially offset by an increase in the percentage who use "smokeless" tobacco. The use of smokeless tobacco products has increased at an annual rate of approximately 11% per year since 1974. An estimated 22 million persons use smokeless tobacco. Tobacco use is a significant public health problem in the US and many other countries and is responsible in the US for an excess of 350000 premature deaths annually.