Presentation of the statistical methods for the determination of the characteristic vocabulary of a corpus of texts compared to a set of reference. The set of speeches by the French Presidents since 1958 is used in order to determine the characteristics of E. Macron's vocabulary as seen in his interventions during the first twenty months of his five-year term (2017-2018). This president is very distinct from his predecessors. He prefers subjects on international politics and speaks less about France and the French people. He neglects many themes of his predecessors (economics, employment, progress, growth, income, society). He takes little ownership of what he says. For example, he uses the pronoun "we" more than the "I". His speeches have ...