As of 2002 , about 5.5 trillion cigarettes were produced globally .
As of 2002 , about 5.5 trillion cigarettes were were smoked by over 1.1 billion people , or greater than one - seventh of the world population .
As of 2002 , about 5.5 trillion cigarettes were produced globally , and were smoked by over 1.1 billion people , or greater than one - seventh of the world population .