During the past 50 years, marital trends in Europe have changed significantly, particularly in France, where family formation has been postponed, the number of marriages has declined and cohabitation has increased. Simultaneously, for some time now, France has been a country of immigration, welcoming immigrants from a wide variety of countries and regions where partnership patterns are highly diverse. How are these two trends connected? In her study, Ariane Pailhé compares partnership dynamics between immigrants and the native French population.