Foucault’s text ‘The rights and duties of international citizenship‘ is translated at Open Democracy.

This statement was read by Foucault at a press conference on June 19, 1981, organized in association with Médecins du monde and Terre des hommes, in the presence of Yves Montand, André Glucksmann and Bernard Kouchner. 

Also at Open Democracy, see also a new translation of a 1979 text which first appeared on this site: “The refugee problem is a presage of the great migrations of the twenty first century” (earlier translation by Felix de Montety here)

And these commentaries:

Colin Gordon – The drowned and the saved: Foucault’s texts on migration and solidarity

Engin Isin – Michel Foucault as an activist intellectual

Jen Bagelman – Foucault and the ‘current’ refugee crisis