Above all, political speeches on this very sensitive subject are regularly tinged with untruths, fabrications and other fantasized projections. At L’Express, we wanted to retrace the reality of the migratory phenomenon in France for a century. According to INSEE figures, the share of immigrants in France in 1921 was 4%. How much is this percentage today? Are there more and more immigrants? What are their countries of origin? Answer in our new long video format, to discover here, or on our YouTube channel.