Dual Citizenship in Turkey: Can Foreigners Keep Both Passports?
Dual citizenship in Turkey is allowed. Turkey lets foreigners keep their original nationality when they naturalise.
Author: Lawyer Kaan Karanfiloğlu
· 12 min read

Turkish citizenship by marriage is available to a foreign national who has been legally married to a Turkish citizen for at least three years, provided the marriage is genuine and the couple lives together as a family. It is not automatic. Marrying a Turkish citizen does not hand you a passport on the wedding day, and it does not even give you the right to citizenship until the three-year mark and a full review of your marriage are complete. This guide explains the Turkish citizenship by marriage requirements, the documents you need, how the process works step by step, and how long it usually takes.
The route is set out in Article 16 of the Turkish Citizenship Law (Law No. 5901). It exists to recognise real families, not paper marriages, so the authorities look closely at whether the relationship is genuine. Understanding the rules before you apply is the best way to avoid the delays and refusals that catch many couples by surprise.
Turkish citizenship by marriage is a route to citizenship for the foreign spouse of a Turkish national, governed by Article 16 of Turkish Citizenship Law No. 5901. Unlike many countries, Turkey does not grant citizenship the moment you marry one of its citizens. Instead, marriage opens a path that you can use after you have been married for three years and can show the relationship is real and ongoing.
The reasoning behind the law is straightforward. The state wants to support genuine family unity while preventing marriages arranged only to obtain a Turkish passport. That is why the three-year wait and the genuineness check sit at the centre of the system. Turkish citizenship through marriage is therefore best understood as a qualified right: you meet the conditions, you apply, the authorities investigate, and a decision follows. It is one of the more common naturalisation routes for foreigners who build a life in Turkey, alongside the better-known citizenship by investment.
The core Turkish citizenship by marriage requirements are a valid marriage to a Turkish citizen lasting at least three years, genuine family life together, and conduct that is consistent with the marriage and with public order. Article 16 sets out the conditions, and each applicant must satisfy all of them as of the time this article is written.
Meeting these conditions does not by itself create an absolute entitlement. The authorities still examine the file and the marriage before approving it. In practice, the genuineness of the relationship is the point that decides most cases, which is why couples should be ready to show that they share a home, a life and the ordinary documents that go with a real marriage.
The three-year rule means you cannot apply for Turkish citizenship by marriage until you have been married to your Turkish spouse for a continuous period of at least three years. The clock starts on the date of the legally recognised marriage, not the date you met or began living together. If you married outside Turkey, the marriage must first be registered with the Turkish authorities, and the recognised date is what counts.
One point often surprises applicants: what happens if the Turkish spouse dies. Under Article 16, if the foreign spouse applied in good faith and the Turkish spouse later dies, the requirement that the marriage be ongoing can no longer be applied against the applicant. In that situation the application can still proceed, because the marriage did not end through the applicant's choice. Divorce is treated differently: if the couple divorces before a decision is reached, the basis for the application normally disappears.
If you are asking how to get Turkish citizenship by marriage, the process runs through an application to the Turkish authorities, an investigation into your marriage, and a final decision by the relevant ministry. The process follows a set order, and knowing it helps you prepare each stage in advance.
In our practice at Karanfiloglu Law Firm, the stage that most often catches couples off guard is the genuineness investigation, because everyday evidence such as a shared address, joint accounts and family photographs is far easier to assemble before the interview than after a request for more proof. Preparing that evidence early tends to keep the file moving.
The documents for Turkish citizenship through marriage centre on proving your identity, your marriage and your shared life. The exact list can vary by province and over time, but the items below are the ones typically requested.
Foreign documents that are not in Turkish almost always need an apostille (or consular legalisation if the issuing country is not party to the Apostille Convention) and a certified translation by a sworn translator (yeminli tercüman), often notarised. This step takes time and cannot be done at the application desk, so it pays to start it early.
The Turkish citizenship by marriage process usually takes somewhere around one to two years from application to decision, although the exact time varies with the province, the workload of the authorities and how complete your file is. The three-year marriage period is a precondition before you apply, so the timeline above is in addition to that initial wait.
Several things lengthen the process. An incomplete file, missing translations, or doubts raised during the genuineness investigation can all add months. A clean, well-documented application with clear proof of a shared life tends to move more predictably. Clients we advise in Istanbul often find that the interview and the marriage investigation are the parts that set the real pace, rather than the initial filing. Because timelines and procedures change, you should confirm the current position before you rely on any specific figure.
Foreigners who want a Turkish passport often weigh the marriage route against citizenship by investment. The two routes suit very different situations. These figures are current as of the time this article is written and can change.
Citizenship by marriage in short:
Citizenship by investment in short:
Neither route is better in the abstract; the right one depends on your circumstances. Someone genuinely married to a Turkish citizen has a clear path through marriage, while an investor with no family tie uses the investment route.
Most refusals in these cases come down to doubts about the marriage or gaps in the paperwork rather than to eligibility on paper. Knowing the recurring problems helps you avoid them.
Turkish citizenship by marriage is a realistic route for couples in a genuine relationship, but it rewards preparation. Confirm that your marriage is registered and has reached the three-year mark, gather your documents and translations early, and be ready to show that your family life is real. The rules, official fees, timelines and document requirements change from time to time, and everything here is current as of the time this article is written, so confirm the latest position before you file. When your situation is not straightforward, a conversation with a lawyer in Istanbul before you apply can save months of uncertainty.
If you would like advice on your own situation, Karanfiloglu Law Firm is a registered law office in Istanbul serving foreigners and Turkish clients across Turkey. You can reach us by phone or WhatsApp at +90 532 659 35 11, by email at karanfiloglu.lawyer@gmail.com, or visit us at Merkez Mah. Hasat Sk. No:12, Şişli, İstanbul. Contact us to discuss your situation.
You must have been legally married to a Turkish citizen for at least three years before you can apply for Turkish citizenship by marriage. The marriage must still be ongoing when you apply and when the decision is made, and the couple must genuinely live together as a family.
To get Turkish citizenship by marriage, you apply after three years of marriage at the Provincial Directorate of Census and Citizenship in Turkey, or at a Turkish consulate abroad, then attend an interview and a marriage investigation before the Ministry of Interior decides. You must provide your passport, the registered marriage record, your birth certificate and proof of a shared life.
No. Marrying a Turkish citizen does not give automatic citizenship. Marriage opens a route under Article 16 of Law No. 5901, but you must be married for three years, show a genuine family life, and pass an investigation before citizenship can be granted.
The main requirements are a valid marriage to a Turkish citizen of at least three years, an ongoing relationship, genuine family life together, conduct consistent with the marriage, and no threat to public order or national security. All conditions must be met for the application to succeed.
The Turkish citizenship by marriage process usually takes around one to two years from application to decision, on top of the three-year marriage period required before you apply. The timeline depends on the province, the completeness of your file, and the marriage investigation.
If you applied in good faith and your Turkish spouse dies during the process, the requirement that the marriage be ongoing can no longer be held against you, and the application can still proceed. This differs from divorce, which normally ends the basis for the application.
Even a genuine marriage can lead to a refusal if documents are missing, translations or legalisation are defective, the three-year period is not complete, or there are public order or security concerns. Preparing a complete, well-documented file reduces the risk of refusal.
In practice, the foreign spouse usually lives in Turkey on a family residence permit while building the three years of marriage. The residence permit supports the picture of a shared family life, and your residence documents are typically part of the citizenship application file.
Kaan Karanfiloğlu is the founder of Karanfiloglu Law Firm, an Istanbul-based registered law office serving Turkish and international clients across Turkey. He is a lawyer registered with the Istanbul Bar Association (Reg. No. 58270) and the Union of Turkish Bar Associations (No. 133074), and has practised law in Turkey since 2017. He holds an LL.B. from Galatasaray University Faculty of Law (2016) and advises clients in Turkish, English and French; the firm also serves clients in Russian and Chinese with experienced in-office translators.
Disclaimer: This article provides general information about Turkish law and is not legal advice. Laws, regulations, official fees and procedures change over time and every situation is different. For advice on your specific circumstances, please consult a qualified lawyer. No liability is accepted for any loss arising from reliance on the information in this article.
The content on this site is for general information and does not constitute legal advice.
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