How many people smoke in the world ?
Way too many...
It is estimated that 1.3 billion people smoke occasionally. (This also includes constant smokers)
Millions of people(I don't know why they would want to)
18.104.22.168.22.214.171.124.....too many to count
According to the World Health Organization, around 1 billion world wide.http://www.who.int/mediacentre/factsheets/fs339/en/index.html