EU countries that allow dual citizenship: Germany, Greece, France, Ireland, Cyprus, Czech Republic, Denmark, Finland, Hungary, Italy, Latvia, Lithuania, Malta, Portugal, Spain, Poland, Sweden.
As such, the UK does not place restrictions on the number of concurrent citizenships you hold. Likewise, a British citizen who applies for and gains citizenship of another nation does not need to give up (renounce) their British citizenship.
To put it simply, Spain does not currently recognise Spanish and British dual nationality, and in fact it only recognises dual citizenship from a select few countries that fulfil requirements set out in the Spanish constitution.
Both the UK and US allow dual citizenship so Americans who would like to apply for British citizenship are able to maintain both citizenships. There is no specific application process to apply for American British dual nationality – all you need to do is to apply to become a UK citizen.
If you're a dual U.S. citizen living in the U.K., taxes go both ways—so you may end up having to file not only U.S. taxes but also U.K. taxes. Where you fall in the U.K. and U.S. tax brackets can influence decisions on how to file your U.S. taxes, so it's important to understand the U.K. tax bands and taxation rates.
Voting and citizenship
Your UK citizenship will not be affected if you move or retire abroad.
Dual citizenship (also known as dual nationality) is allowed in the UK. This means you can be a British citizen and also a citizen of other countries. You do not need to apply for dual citizenship. You can apply for foreign citizenship and keep your British citizenship.
Can you have triple citizenship? Yes, you may hold citizenship in three countries. The same rules apply as for dual citizenship — not every country allows for multiple citizenships, so you would need to check whether your country of origin permits triple citizenship.
U.S. nationals, including dual nationals, must use a U.S. passport to enter and leave the United States. Dual nationals may also be required by the foreign country to use its passport to enter and leave that country.
Can you have more than one passport? Yes. U.S. citizens are allowed to have more than one valid U.S. passport at the same time, according to the National Passport Information Center, which is a division of the U.S. State Department.
Most Brits who contemplate taking on Portuguese citizenship don't want to give up their British nationality so the good news is that Portugal permits dual nationality and you can keep your British passport.
We recommend all dual nationals, including EU citizens, travel on their British passport or with evidence or their British citizenship to minimise any potential delay at the border or when commencing their journey.
1) Portugal
What make Portugal the easiest country in Europe to gain citizenship is that there are no physical presence requirements. Meaning you only need to hold your resident permit in order to qualify for naturalization. You don't need to spend most of the year in the country like most other countries.
Dual citizens enjoy certain benefits, such as the ability to live and work freely in two countries, own property in both countries, and travel between the countries with relative ease.
"Golden passports," formally known as citizenship by investment (CBI) programs, allow wealthy foreigners to receive citizenship or residency in exchange for investing a certain amount of money in a country. Over a dozen countries, including the US, offer immigrant investor programs.
You can have a two UK passports at the same time.
Originally Answered: Which person has had the most citizenships? Her majesty Queen Elizabeth the Second. She is the head of state of the 16 commonwealth realms including Australia, Britain, Canada, etc. Therefore, she has citizenship in all of these 16 countries.
Whilst maintaining your UK residency when residing in Spain might be appealing, unfortunately this isn't possible. In fact, even before Brexit it wasn't legally and officially possible to reside in both countries (though many people didn't register as residents of Spain to enable them to do so).
There are two countries in the European Union where this is possible: Malta and Cyprus; as well as the five Caribbean countries of Antigua and Barbuda, Grenada, Dominica, St. Kitts & Nevis, and St. Lucia. Additionally the countries of Vanuatu, Montenegro, Turkey and Jordan offer citizenship by investment programs.
Does Spain allow dual citizenship? Yes, the Spanish Civil Code does allow dual citizenship, but just under certain circumstances. As a general rule, when you apply for and are granted Spanish nationality by residency, you must renounce your prior citizenship.
You are allowed to spend time outside of the UK so long as these periods of absence do not exceed 6 months at any one time. It does not matter how much time you spend outside of the UK in total during the required 5-year continuous residence period provided you return each time after a maximum of 6 months.
So, the answer to the question, “can I keep my UK bank account if I move abroad?”, is yes.
Time you've spent outside the UK
You should not have: spent more than 450 days outside the UK during the 5 years before your application. spent more than 90 days outside the UK in the last 12 months.