International audienceSince French Society enters the so-called “Economy of knowledge”, migrations of young people, especially these concerning higher education graduates, are of most interests. Despite the fact that it could help to understand relations between University and work market and ways regions can evolve, the study of migrations of young people was not yet done. A set of results highlights first the main role of French capital region. It shows also main similarities and differencies of migratories' behavior.Depuis l'entrée de nos sociétés dans l'économie du savoir, les migrations des populations jeunes et en particulier celles des diplômés de l'enseignement supérieur sont au cœur de nombreux enjeux et intérêts. Or, la mise en re...