A global system of human mobility

Like citizenship, migration is at the core of national sovereignty. In the absence of something like an International Convention on...

Brexit and 25 years of EU Citizenship

The European Union is perhaps the best-known example of a supranational structure challenging the autonomy of the sovereign nation state....

The changing role of passports

While we currently cannot imagine a world without passports and travel documents, Sara Dehm’s forthcoming contribution to International...

Birthright citizenship

This summer marked the 150th anniversary of the 14th Amendment to the US Constitution, which was ratified on 9 July 2018 and secured...