Thai permanent residence (PR), citizenship and dual nationality
PR and naturalisation are separate steps, filed with different authorities and different evidence. Many applicants miss out because the PR intake opens for only a few weeks a year. We review your extension history, prepare income and tax evidence, translate and certify documents and plan the timing. Approval rests with the authorities.
Assess your eligibility on LINEPermanent residence (PR)
- A passport of your nationality and at least 3 consecutive years of one-year Non-Immigrant extensions up to the filing date
- Categories: investment, employment, humanitarian (spouse, parent, or unmarried child under 20 of a Thai or resident), experts, and special cases
- Applications are accepted only in the window announced each year after the quota notice in the Royal Gazette; the latest notice sets up to 100 per nationality and 50 for stateless persons
- Apply in person with all original passports; while pending you are permitted to stay 180 days at a time
Naturalisation (Nationality Act section 10)
- Adult, holding a residence certificate or alien identity book, and listed in the civil register
- Domicile in Thailand for at least 5 consecutive years from obtaining residence or registration
- A lawful occupation with an employment certificate; Department of Provincial Administration criteria set different minimum incomes for applicants with Thai ties (such as a Thai spouse or child) and those without
- At least 3 years of tax evidence, understanding of spoken Thai, and conduct background checks
- The Prime Minister decides, and naturalisation takes effect on publication in the Royal Gazette
These are the general criteria. Wives of Thai men and minority groups have separate channels and conditions, assessed case by case.
Frequently asked questions
Do retirement extensions count toward the 3 years for PR?
The announced categories are investment, employment, humanitarian, expert and special cases. Holders of other visa types must check whether they fit a category before filing; we assess your actual extension history.
What happens after PR is granted?
Collect the residence certificate within the notified time, register as an alien, and obtain re-entry permission before travelling to keep the status. PR is not Thai citizenship and does not exempt you from a work permit.
Can I hold dual nationality?
It depends on Thai law and the law of your current nationality. Some countries end citizenship when you naturalise elsewhere, so check your home country's law before applying.
Related services
Sources
- Immigration Bureau: annual residence permit applications
- Immigration Bureau: residence application guidance (Thai, 2025)
- Department of Provincial Administration: Thai nationality under section 10 (Thai)
Sources checked 30 Oct 2026. Our service fees are quoted per scope of work.