Dual citizenship in the European Union : trends and analysis (2010-2020)
This report studies the developments in 28 EU Member States of three types of dual citizenship restrictions in the period 2010-2020, namely 1) requirements to renounce the original citizenship upon the acquisition of citizenship (Globalcit modes of acquisition A05-A27), 2) provisions stipulating the loss of citizenship upon the acquisition of a foreign citizenship (Globalcit mode of loss L05), and 3) provisions stipulating the loss of citizenship upon the retention of a foreign citizenship (Globalcit mode of loss L06). ; Research for the 2019/2020 GLOBALCIT Reports has been supported by the European University Institute's Global Governance Programme and the British Academy Research Project CITMODES (co-directed by the EUI and the University of Edinburgh).