The question arrives early in almost every consultation, and it carries real weight: will taking a Turkish passport cost me the one I already have? The Turkish answer is short and reassuring. The complete answer depends on a second legal system that Turkish law has no control over — your own.
The Turkish position
Türkiye permits multiple nationality. Nothing in Law No. 5901 requires an applicant to renounce an existing citizenship as a condition of acquiring Turkish citizenship, and the Turkish authorities will not ask you to surrender another passport.
This applies across every route: investment, marriage, ordinary naturalisation, descent. You will not be asked to choose.
Article 44 of the same law completes the picture from the other direction: a Turkish citizen who acquires another nationality does not thereby lose Turkish citizenship. The permission runs both ways.
Why this is more generous than it sounds
Multiple nationality is not universally permitted. Several states treat the voluntary acquisition of another citizenship as automatically terminating their own, without notice and without a decision. Others permit it only with prior consent, or only in defined circumstances.
So the risk in a dual nationality question is almost never Turkish. It is the possibility that acquiring Turkish citizenship triggers the loss of the citizenship you already hold — under that country's law, by its own operation, whatever Türkiye says.
The three broad approaches
Without listing individual countries — the position changes and must be verified for the specific nationality at the time — states fall into three groups.
Permissive. Multiple nationality is accepted. Acquiring Turkish citizenship has no effect on the existing one. Most European states, the United Kingdom, the United States, Canada and Australia sit here, subject to their own details.
Conditional. Multiple nationality is permitted with prior permission, or in defined categories such as marriage or descent, or subject to a declaration within a period. Missing the procedural step can produce the same result as a prohibition.
Restrictive. Voluntary acquisition of another citizenship terminates the existing one, sometimes automatically. Several states in Asia and the Gulf apply this approach.
The practical instruction is the same in all three cases: verify your own country's position, from an official source or a lawyer in that jurisdiction, before you apply. This is not a question a Turkish lawyer can answer for you, and it is not one to resolve after the fact.
The consequences of holding two
Dual nationality is not simply an extra document. It creates two sets of obligations that operate simultaneously.
Entry and exit. A Turkish citizen must enter and leave Türkiye on a Turkish passport, and most countries apply the same rule to their own citizens. In practice a dual national carries both and uses each at the appropriate border.
Identification within Türkiye. Once you are a Turkish citizen, Turkish authorities deal with you as a Turkish citizen. Your Turkish identity number becomes the reference for banking, tax, property, health and every other administrative interaction. You cannot elect to be treated as a foreign national in Türkiye.
Consular protection. This is the practical limitation most people do not anticipate. While you are in Türkiye, your other country's embassy has limited ability to intervene on your behalf, because Türkiye regards you as its own citizen. The same principle applies in reverse in your other country.
Military service. Turkish male citizens are subject to military service obligations. Dual nationals may in some circumstances benefit from paid exemption arrangements or from provisions applying to those resident abroad, and the position depends on age, residence and the specific facts. Anyone acquiring Turkish citizenship for a male family member approaching the relevant age should take advice on this specifically.
Tax. Turkish income tax turns on residence rather than on citizenship — a person resident in Türkiye is taxed on worldwide income, a non-resident on Turkish-source income. Acquiring citizenship without moving does not by itself make you Turkish tax resident. A small number of countries, notably the United States, tax on the basis of citizenship rather than residence; for their nationals the analysis is different and should be taken from a specialist.
Renouncing Turkish citizenship later
If circumstances change, Turkish citizenship can be renounced with permission under Articles 25 and following of Law No. 5901, provided the applicant has acquired or is assured of acquiring another nationality — the state does not create stateless persons.
Those who renounce may hold the so-called blue card (mavi kart), which preserves a defined set of rights in Türkiye, including rights relating to property and inheritance, but not political rights.
This is worth knowing rather than planning for. It is rarely relevant to an investor's decision.
What the Turkish passport does and does not give
Some clarity is useful here, because expectations are often set by marketing rather than by fact.
It gives: visa-free or visa-on-arrival access to a substantial number of countries; the right to live and work in Türkiye without permission; unrestricted property ownership; access to public health and education; the right to transmit citizenship to children by descent; and eligibility to apply for the United States E-2 investor visa, which is available to nationals of treaty countries including Türkiye and is a genuine and frequently cited advantage.
It does not give: the right to live or work in the European Union, the United Kingdom, the United States or Canada. Türkiye is not an EU member state, and Turkish citizenship confers no EU rights.
That last point deserves emphasis because it is the single most common misunderstanding in this field, and it is occasionally encouraged rather than corrected by intermediaries.
Children and descent
Children born to a Turkish citizen acquire Turkish citizenship by descent under Article 7, wherever they are born. If the other parent holds a different nationality, the child may hold both — and, as with adults, whether the other country permits it is a matter for that country's law.
Families with children who may later face military service obligations, or whose other nationality is restrictive, should take advice on the position for each child rather than assuming the family is homogeneous.
Frequently asked questions
Will Türkiye tell my country that I have acquired Turkish citizenship? Information sharing between states varies and cannot be assumed either way. The safe assumption is that acquisition is discoverable.
Can I hold three nationalities? Türkiye does not limit the number. Each other country's rules apply.
Do I have to live in Türkiye? No, on the investment route.
Will I pay Turkish tax on my income abroad? Only if you become Turkish tax resident. Citizenship alone does not create residence.
Does my Turkish citizenship affect my existing visas? Existing visas in your other passport remain valid on their own terms. Some countries require you to travel on their passport if you are their citizen.
What about military service for my adult son? Take specific advice. Provisions exist for those resident abroad and for paid exemption, and the position depends on age and circumstances.
Can I use my Turkish passport to enter my own country? Most countries require their citizens to enter on their own passport. Check before travelling.
The check to make first
Everything in this article except one item is settled by Turkish law and is favourable. The exception is the one that matters: whether your own country permits you to hold another nationality. Verify it in that jurisdiction, in writing if possible, before you begin.
Dural Hukuk advises on the Turkish side of dual nationality — acquisition, identity registration, renunciation and the blue card — and will tell you plainly when a question belongs to your own country's law rather than to ours. Call +90 535 260 74 54 or use the contact form on this site.
This article is general information on Turkish law as at August 2026 and is not legal advice, and it says nothing about the law of any other country. Verify your own nationality's position before applying.