As opposed to an average the world over, here is the percentages for each country, I found:
Approximately 5.5 trillion cigarettes are produced globally each year by the tobacco industry, smoked by over 1.1 billion people, which is more than 1/6 of the world's total population.
Smoking Prevalence by Gender(men left, women on the right)
PERCENT SMOKING
REGION MEN WOMEN
Africa 29% 4%
United States 35% 22%
Eastern Mediterranean 35% 4%
Europe 46% 26%
Southeast Asia 44% 4%
Western Pacific 60% 8%
(2007, World Health Organization estimates)