Thai citizenship when born overseas

Chris Larkin

Long time resident of Bangkok. Married, three daughters. Managing director of CLC Asia ( Lots of interesting knowledge and experience built up over time which I hope can be of use to people.

100 Responses

  1. Edward says:


    Thank you! This information is priceless!

  2. Edward says:


    Your site is very informative but I am still a bit confused about some processes. BLUF: My mother is a Thai Citizen and has a Thai passport. I was born in Thailand and have a Thai birth certificate. What other documents need I have to apply for Thai Passport in the U.S.? What else is needed to establish citizenship?

    • Hi Edward.

      You don’t have to do anything further.

      Being born in Thailand to a Thai parent you are already a thai citizen and your birth certificate will say as much at the top.

      Being born in Thailand too means you have your name registered in a house registration (‘tabieen Baan’) somewhere as well.

      You would have likely departed Thailand on a thai passport when you left there.

      Normally for an adult to apply for a thai passport (either in Thailand or overseas) you need a thai ID card. You don’t say whether you’ve got one. If not, the embassy may not be able to issue you with a full passport, but if you have details of your house registration, have your old passport still they may be able to issue you with a temporary passport good for a one way journey to Thailand (but please check with them). If they are unable to, you can still enter Thailand on a US passport.

      Once in Thailand you’ll need to go to the district office where you are registered, obtain the ID card, at which point you can apply for a full thai passport. If you had entered on your US passport you’ll also need to leave, by air, and then renter on your thai passport. Pre-Covid this would involve a short hop to a neighbouring country and then come back.

      Hope this is helpful.

      • Edward says:

        Very helpful sir! I do not have a Thai ID as I left there as an infant. Would the house registration information be on the transcribed birth certificate…I have original BC and its English transcription…

        • Hi Edward,

          Your birth certificate only shows the district office where your birth was registered, but at birth you would have been issued with an ID number. I’m not sure if you’ve got any relatives back in Thailand but if they took a copy of your birth certificate to the district office they may be able to find out where you are currently registered. I’m guessing it’s either on one of your relatives house books, or if not, your name would have been shunted to the central database usually reserved for those with no fixed address in Thailand. If the latter is true then the embassy won’t be able to issue you a full passport and you’d need to travel back to Thailand to have your name put back on a house registration document at a regular address (which can be anywhere so long as the person in charge of that property approves).

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