On August 25, 2026, Thailand’s cabinet approved in principle a draft amendment that would extend mandatory social security coverage to three categories of workers currently excluded from Thailand’s compulsory social security system. The amendment, proposed by the Ministry of Labour, would modify the Royal Decree Prescribing Businesses and Employees Excluded from the Social Security Act B.E. 2560 (2017). Newly Covered Workers The cabinet-approved proposal would remove the exclusions for the following three categories of employees, bringing them within Thailand’s mandatory social security system: Workers in seasonal cultivation (pho pluk), forestry (pa mai), and livestock (liang sat) businesses that do not employ workers year-round and whose operations do not include other types of business activities. Notably, fishery (pramong) workers were excluded from this amendment following objections raised at a Social Security Board meeting on April 30, 2025, because employers and employees in the fishery sector can already agree to opt into social security coverage under fishery labor laws. Domestic workers and other employees of individual employers where the work performed is not part of a business operation (e.g., housekeepers, gardeners, drivers). This group has actively demanded inclusion in the social security system. Workers employed in street-stall businesses operating fixed street stalls (kan kha phaeng loi). The rationale for including street-stall workers is that their employers have fixed, identifiable places of business that can be inspected. Accordingly, workers engaged in itinerant street hawking (kan kha re) remain excluded. The expanded coverage would apply to both Thai and foreign employees who possess valid identity documents and work permits, including migrant workers who have been granted special permission to work in Thailand. The Social Security Act B.E. 2533 (1990) does not restrict social security registration based on nationality, allowing these workers to register as insured persons under section 33. Employer Obligations and Employee