Bureaux de tabac, presse ou journaux et magasins de cigarettes electroniques Saint Denis Vapeur & Sens Achat de Cigarette Electronique Estimation of the global number of e cigarette users in 2020 Harm Reduction Journal Springer Nature Link WHO estimates at least 15 million teenagers use e cigarettes worldwide The Economic Times 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