E Cigarette and Vape Market Outlook: Growth Trends 2033 Top 20 countries with the highest smoking rates, according to data from the World Health Organization (WHO) and Wisevoter: Nauru: This small island nation in the Pacific tops the list with Vapeur & Sens Achat de Cigarette Electronique Prevalence of current e cigarette use by country Download Scientific Diagram Aided by Army of 'Vapers,' E Cigarette Industry Woos and Wins Europe The New York Times WHO estimates at least 15 million teenagers use e cigarettes worldwide The Economic Times