Effectiveness of DNA Testing for Establishing Thai Nationality by Descent: A Case Study of Ranong Province, Thailand

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Sasisis Boonsonti
Preyapun Pechpranee
Wilaiporn Laingam
Namaschamon Teevasvanischai
Thapanat Srisukpan
Preecha Pinmee

Abstract

            This research aims to examine the demographic characteristics and DNA testing patterns among individuals facing civil registration and legal-status problems in Ranong Province. It evaluates the effectivenessof DNA testing in establishing Thai nationalityby descent and analyzes the causesand multifaceted impacts of lacking civil registration status on daily life. Furthermore,the study proposes policy guidelinesto promote the use of DNA test results as primary evidence in legal-statusverification process. The findings revealthat DNA testing is highly effective,with a 100% success rate. The primary reasonfor lacking a national identification card was parental civil registration problems (41.1%), followed by being born abroad (18.9%).Daily obstacles varied by age group:students experienced barriers to education,working-age individuals faced employment challenges, and young children and older adults encountered difficulties in accessing healthcare. This research proposessolutions including legal amendments to recognize DNA results as primary evidence,increased budget allocations, personnelsystem development, and expansionof the hospital network for biological sample collection.

Article Details

How to Cite
Boonsonti, S., Pechpranee, P., Laingam, W., Teevasvanischai, N. ., Srisukpan, T. ., & Pinmee, P. . (2026). Effectiveness of DNA Testing for Establishing Thai Nationality by Descent: A Case Study of Ranong Province, Thailand . Journal of Thai Justice System, 19(2), 21–46. Retrieved from https://so04.tci-thaijo.org/index.php/JTJS/article/view/283430
Section
Research Articles

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