Historien et démographe, il est directeur d’études à l’École des Hautes Études en Sciences Sociales (EHESS) et directeur de recherche émérite à l’Institut National d’Études Démographiques (INED).
In addition to the collapse of the right, the presidential election was the scene of two important facts analysed here: the appearance of a Zemmour vote and the consolidation of the Mélenchon vote, suggesting that an extreme right - extreme left opposition was in the making. Indeed, the geography of the Zemmour vote and its sociology are closer to the inaugural FN vote of 1984 than to the Marine Le Pen votes of 2017 and 2022. As for the [...]
The first circle of conflict lies inside each social science. Analytical approaches are opposed to systemical ones. Two examples are given. The first is the well-known Malthusian debate about population and subsistence. Those practicing analytical research dig each term deeply, contrasting them and describing their evolution. Those practicing systemic research study the interactions between the components of the two terms. The second example concerns the attempt to forecast the future evolution of fertility in France, which was a source [...]
Réaction d’Hervé Le Bras. En jugeant une carte publiée par Ouest-France, Loïc Rivault estime qu’elle est insuffisante parce qu’elle rapporte le nombre d’infirmiers à la population totale. « En effet il faudrait diviser le nombre d’infirmières par rapport aux plus de soixante ou soixante-quinze ans et non à la population totale. Les écarts seraient alors [...]
