<Dd> In Spain, Spanish citizens by descent can have dual citizenship; Spanish laws knows a "dormant citizenship" for citizens naturalizing in Iberoamerican countries: They do not lose their citizenship, but their status and their rights as citizens of Spain--and of the EU--are inactive until they move back to Spain . Foreigners wanting to naturalize in Spain must usually renounce their old citizenship; exceptions are made for citizens of some Iberoamerican countries, Puerto Rico, Andorra, the Philippines, Equatorial Guinea, and Portugal . Since 2014, Spain has granted Spanish nationality to Sephardi Jews regardless of nationality . See also: Spanish nationality law </Dd> <Dd> Sweden allows dual citizenship . See also: Swedish nationality law </Dd> <Dd> United Kingdom allows dual citizenship . Note that not all British nationals are EU citizens (see below). On June 23, 2016, British citizens voted to leave the European Union . The effect on British Citizens' EU Citizenship is yet to be formally negotiated, so it is unclear yet what the result will be . </Dd> <Ul> <Li> British nationals and Danish citizens not regarded as EU citizens: </Li> </Ul>

How many passports can a uk citizen hold
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