Naturalization is usually regarded as an important sign of civic and political integration<br />amongst immigrants, but it can also be seen as a factor of their economic integration. The<br />aim of this study is to analyze the naturalization phenomenon in France and examine its link<br />with the immigrants' labor force status. We use longitudinal data from the “Echantillon<br />Démographique Permanent” (EDP) sample. The EDP is a panel dataset by which we can<br />follow almost 1% of the French population from 1968 to 1999 through information contained<br />in the 1968, 1975, 1982, 1990 and 1999 French census. The sample we use (N = 36,685) is<br />limited to immigrants who declared themselves non-naturalized at the time they first<br />ap...