<P> This is a list of countries by annual per capita consumption of tobacco cigarettes . </P> <P> Cigarettes are smoked by over 1 billion people, which is nearly 20% of the world population in 2014 . About 800 million of these smokers are men . While smoking rates have leveled off or declined in developed nations, especially among men, in developing nations tobacco consumption continues to rise . More than 80% of all smokers now live in countries with low or middle incomes, and 60% in just 10 countries, a list headed by China . Smokers are over half of adult males in Indonesia (57%, but mostly kretek, a local form of cigarette) and China (53% estimated), and nearly half in Bangladesh, though for women the figure is much lower . </P> <P> Smoking rates in the United States have dropped by half from 1965 to 2006 falling from 42% to 20.8% of adults, with further significant decline to 18% by 2012 . There are large regional differences in smoking rates, with Kentucky, West Virginia, Oklahoma and Mississippi topping the list, and Idaho, California and Utah at significantly lower rates . </P>

Where is smoking most common in the world