The results of research carried out between 2008 and 2010 by the World Health Organization, US Centers for Disease Control, and the Canadian Public Health Association into tobacco use in low and middle income counties compared with the UK and US.
Nutshell: the sun rises in the east and everyone takes a light off it.
Tobacco use in 3 billion individuals from 16 countries: an analysis of nationally representative cross-sectional household survey (The Lancet)
Meanwhile, in less bleak smoking news, Tasmania is considering legislation that will ban the sale of cigarettes to anyone born after the year 2000. (Hat tip: Mark Geary)