Luuk van der Baaren Spain Renunciation requirement for acquisition of citizenship A05 Birth in country (acquisition after birth) Renunciation A06 Ordinary naturalisation Renunciation (note: exceptions A08/ A19/A22/A27) A07 Socialisation-based acquisition n.a. A08 Spousal transfer No renunciation A09 Filial transfer Renunciation exceptions A10 Adoption Renunciation exceptions A11 Transfer to other relatives n.a. A12 Transfer from former citizen Renunciation exceptions A13 Spousal extension n.a. A14 Filial extension n.a. A15 Extension to other relatives n.a. A16 Reacquisition No renunciation A17 Restricted citizenship rights n.a. A18 Citizenship of a specific country No renunciation A19 Cultural affinity No renunciation A20 Presumed citizens No renunciation A21 Very long residence n.a. A22 Refugees No renunciation A23 stateless or unclear citizenship n.a. A24 Special achievements n.a. A25 Public service n.a. A26 Financial assets n.a. A27 Other reasons No renunciation Renunciation requirement for acquisition of citizenship L05 Acquisition of foreign citizenship Loss - exceptions + prevention of loss by declaration L06 Non-renunciation foreign citizenship (acquisition by birth) n.a. RSCAS/GLOBALCIT-Comp. 2020/4 - © 2020 Authors Sweden United Kingdom No renunciation required for any mode of acquisition of citizenship No renunciation required for any mode of acquisition of citizenship No renunciation required for any mode of acquisition of citizenship No renunciation required for any mode of acquisition of citizenship 25