The World Smokes 15 Billion Cigarettes a Day
If you laid out end-to-end all the cigarettes the average urban citizen in various countries smokes per year, how far would it stretch? Healthline takes a look and compares it to the height of buildings (select to embiggen).
More: if you took the 15 billion cigarettes humans smoke each day and laid them end-to-end, you could get to the moon and back more than three times.
If you look at the World Health Organization information (PDF) that this draws on you see relatively few smokers across central and eastern Africa as well as India (although five bidis are purchased per each cigarette). Also, China smokes one in three of the cigarettes consumed in the world.
Image: Detail, Cigarettes Smoked by Average City Resident of…, by Healthline.