Acquiring Thai Citizenship by Descent

Eligibility Criteria

✅ Individuals born to at least **one Thai parent** are eligible for citizenship. ([Thai Immigration Bureau]
✅ If born outside Thailand, the birth must be registered at a **Thai embassy or consulate**.
✅ Special provisions exist for stateless persons born in Thailand to Thai parents or permanent residents.

✅ Applicant’s birth certificate (apostilled and translated into Thai if necessary).
✅ Thai parent’s **House Registration (ทะเบียนบ้าน or Tabien Baan)** and National ID Card.
✅ Proof of parental citizenship at the time of birth (Thai passport or national ID).
✅ Applicant’s valid passport or identification document.

📍 Gather all required documents and ensure they are properly legalized and translated.
📍 Submit the application at the nearest **Thai consulate** or **Department of Provincial Administration**. ([DOPA](https://www.dopa.go.th))
📍 Attend an interview if required for document verification.
📍 Await processing and approval by Thai authorities.
📍 Receive **Thai National ID Card** and **passport** upon approval.

📌 Thailand **does not generally allow dual citizenship**, but there are exceptions for those who acquire Thai nationality by birth.
📌 Male applicants should check their **mandatory military service obligations** if they hold Thai citizenship. ([Royal Thai Army](
📌 Processing times vary; consult the official **Thai consulate** for current timelines.

Can I keep my current nationality?
❗ Thailand **does not generally allow dual citizenship**, but those born with Thai nationality can often retain it.
How long does the application process take?
⏳ Processing times vary but typically range from **6 to 12 months** depending on the complexity of the case.
Will I have to serve in the military?
🪖 Males of Thai descent must fulfill military service unless exempt or they renounce Thai citizenship before turning **18**.
Where can I check my application status?
🖥️ You can track your application via the **Department of Provincial Administration (DOPA) Portal**: DOPA Portal.

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