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When it comes to dual citizenship, the world is divided: there are countries whose citizenship regulations allow its own citizens the acquisition of another citizenship without loosing their citizenship. On the other hand, there are countries which do not allow the acquisition of another citizenship, i.e. where the acquisition of another citizenship will lead to the loss of the present citizenship. Accordingly, the acquisition of an alternative, second citizenship is only legally possible for citizens of those countries which allow dual citizenship. The following is an overview of citizenship regulations in selected countries. The information is based on Henley & Partners' interpretation of citizenship legislation in the relevant countries. The following countries allow the acquisition of another citizenship:
* Persons retain their former citizenship only if they apply to retain their existing citizenship prior to taking out another citizenship. Otherwise citizenship is generally lost ex lege. The following countries do not allow the acquisition of another citizenship:
1 Does not recognise dual citizenship but continues to recognise its citizens as Iranian |