A first version of this paper was presented in French at the 59th conference of the International Linguistic Association. Paris, France, May 22-24, 2014.International audienceThe French presidential election takes place in two ballots. The second round opposes the two leading candidates at the end of the first. Between the two ballots, since 1974, the two finalists take part in a TV debate along the lines of the US presidential debates. This presentation analyses the texts of these six debates (136,000 words). A library of more than 6000 political texts – and nearly 13 million words – provides some benchmarks. This paper presents the statistical indices proposed for the analysis of the communication within a situation of interaction. These ...