Social Security in Thailand

Last updated on April 12, 2026

Social security in Thailand acts as a vital national safety net, protecting employees, employers, and often the self-employed. Managed by the Social Security Office (SSO), the system has evolved significantly since the 1990s. While it may not offer the comprehensive coverage seen in some Western welfare states, it plays a critical role in the financial and health security of millions in Thailand. Social Security in Thailand is essential for understanding the country’s welfare landscape.

Significant reforms began in January 2026, marking the first major update to the contribution cap in over three decades. Significant reforms that began in January 2026. It’s crucial to consider how these changes will impact Social Security in Thailand.

Last verified: March 2026. Contribution rates and benefit amounts reflect the 2026 wage ceiling of 17,500 THB effective 1 January 2026.

How Does Social Security Work in Thailand?

Thailand’s Social Security system is administered by the Social Security Office (SSO), operating under the Ministry of Labour. It functions as a mandatory safety net: contributions are collected from employees, employers, and the government, then pooled into the Social Security Fund. The Fund pays out benefits covering healthcare, cash replacement during illness or unemployment, maternity support, disability, old-age pensions, and death benefits.

The governing law is the Social Security Act B.E. 2533 (พระราชบัญญัติประกันสังคม พ.ศ. 2533), which has been amended several times since its enactment in 1990. The system covers virtually all private-sector employees in Thailand, regardless of nationality. If you hold a valid work permit and are employed by a Thai company, you are in the system.

The SSO operates separately from the Workmen’s Compensation Fund, which covers work-related injuries. We explain the difference further below.

Who Must Register and Contribute?

Section 33 — Employees (Mandatory)

Every employee working for an employer with one or more workers is automatically covered under Section 33 of the Social Security Act. This includes foreign nationals with a valid Non-Immigrant B visa and work permit. The employer must register the employee with the SSO within 30 days of hiring.

Contributions are shared three ways: the employee pays 5% of monthly wages, the employer pays 5%, and the government contributes an additional percentage. For 2026, the contribution base has been raised to a maximum of 17,500 THB per month (up from 15,000 THB), meaning the maximum monthly contribution is 875 THB each for employee and employer.

Contributions are calculated on the “wages” as defined under Section 5 of the Act — meaning money paid as compensation for work during normal hours, including pay during holidays and leave. The Supreme Court has clarified what does and does not count as “wages” for this purpose (see our Supreme Court section below).

Thailand Social Security for Expats and Foreign Workers

Social Security for Expats and Foreigners in Thailand Expats working in Thailand must join social security under Section 33 if employed. Retirement visas like O-A often exclude work permits, limiting eligibility. Bilateral agreements, such as the US-Thailand totalization pact, prevent double taxation on pensions. Continue coverage under Section 39 for life after initial employment. Many expats use Thailand social security as low-cost health insurance. Check visa interactions to avoid gaps in coverage.

Section 39 — Voluntary Continuation After Leaving Employment

If you leave your job but remain in Thailand, you do not have to lose your SSO coverage. Under Section 39, any person who was previously insured under Section 33 can voluntarily continue their coverage by applying at their local SSO office within six months of their insured status ending.

As a Section 39 member, you pay the full contribution yourself at a rate of 9% of a notional wage of 4,800 THB, which works out to 432 THB per month. The government continues to contribute its share. Coverage includes sickness and injury, disability, death, and old-age benefits — but does not include maternity, child allowance, or unemployment benefits.

This is particularly relevant for expats who take a break between jobs or who are retiring in Thailand but have not yet reached 55. If you miss the six-month window, you lose the right to continue under Section 39 permanently.

Section 40 — Self-Employed and Freelancers

Self-employed persons who were never employees under Section 33, or whose Section 33 or 39 status has already ended and who missed the six-month window, can register under Section 40. This provides more limited benefits at a lower cost. Three packages are available: Package 1 at 70 THB per month, Package 2 at 100 THB per month, and Package 3 at 300 THB per month — the latter being the most comprehensive option for freelancers.

• Package 1 (70 THB/month): Covers injury, sickness, and death benefits. Ideal for basic protection.
• Package 2 (100 THB/month): Adds disability coverage to Package 1. Suited for higher-risk jobs.
• Package 3 (300 THB/month): Includes old-age lump sum or pension, plus child support. Best for long-term security. Apply easily via 7-Eleven stores or the SSO mobile app. Digital nomads on LTR visas often use Section 40 for affordable health coverage in Thailand.

There is an important legal distinction to keep in mind: if you recently left employment and want to continue coverage, Section 39 is usually the better option because it provides broader benefits at 432 THB per month. Section 40 should be your choice only if Section 39 is no longer available to you.

Note that persons on a Retirement Visa (Non-Immigrant O-A) or a Digital Nomad / LTR visa typically cannot participate in Section 40 because they lack a work permit.

Who Is Exempt?

The Social Security Act does not apply to civil servants, permanent government employees, and certain temporary government workers (Section 4). However, the Supreme Court ruled in Decision No. 875/2548 that government nurses working after hours for a private hospital are considered employees of that private hospital for SSO purposes. The Section 4 exemption applies only while performing official government duties — not when moonlighting privately.

What Benefits Does Social Security Provide?

1. Sickness and Injury Benefits (Sections 62–68)

If you fall ill or are injured from a non-work-related cause, the SSO covers medical examination, treatment, medication, and ambulance services at your designated hospital. If you cannot work during recovery, you receive 50% of your daily wage for up to 90 days per incident, with a maximum of 180 days per calendar year. After 180 days, the Medical Committee evaluates whether to extend benefits. You must have contributed for at least three months within the 15 months before treatment.

For chronic diseases, separate Ministerial Regulations may extend coverage periods.

2. Maternity Benefits (Sections 65–68) in the Social Security in Thailand

Female insured persons receive prenatal care, delivery, and postnatal coverage for up to two pregnancies. The SSO pays a lump sum equivalent to 50% of the daily wage for 90 days per birth. Medical costs for delivery are covered at the contracted hospital. You need at least five months of contributions within the 15 months before delivery.

3. Disability Benefits (Sections 68–71)

For non-severe disability, the SSO provides medical treatment, rehabilitation, and 50% salary replacement for the duration of the disability. For severe disability, the payment may continue for life. Prosthetics and assistive devices are covered under separate SSO Announcements. The qualifying period is at least three months of contributions within 15 months before the disability occurs.

4. Death Benefits (Sections 73–76)

When an insured person dies, the SSO pays funeral expenses (ค่าทำศพ) of 50,000 THB plus a survivor grant (เงินสงเคราะห์) as a lump sum based on contribution history. You need at least one month of contributions within the six months before death.

The Supreme Court has established an important rule about who qualifies for death benefits. In Decision No. 8889/2547, a worker on extended sick leave whose employer stopped deducting contributions died without having at least one month of contributions within the six months before death. The surviving spouse was denied death benefits under Section 73. This highlights that gaps in contributions — even during legitimate sick leave — can eliminate benefit eligibility for your dependents.

The Court has also drawn a key distinction between “person” (บุคคล) and “heir” (ทายาท) in the Act. Some benefit provisions use “person” (broader) while old-age benefits use “heir” (narrower, interpreted by reference to the Civil and Commercial Code Book 6 on Succession). This distinction affects who can claim which type of survivor benefit (Decision No. 774/2553).

2026 Update: The funeral grant will increase from 50,000 THB to 50,000 THB + extra allowances. The legal minimum is 100 times the daily minimum wage. This often leads to a payout between 50,000 and 105,000 THB, depending on specific calculations

5. Child Allowance (Sections 73–75)

Insured persons receive a monthly child allowance for children under six years old, for a maximum of three children at a time. The current rate is 800 THB per child per month. You must have contributed for at least 12 months within the 36 months before the claim.

6. Old-Age Benefits (Sections 77–77 quater) for Social Security in Thailand

When you reach 55 years old and your insured status ends — meaning you stop working — you are entitled to one of two types of payment. If you contributed for 180 months (15 years) or more, you receive a monthly pension (บำนาญชราภาพ) calculated as a percentage of your average wage. The base rate is 20% of the average monthly wage, with an additional 1.5% for each year of contributions beyond 15 years. If you contributed fewer than 180 months, you receive a one-time lump sum (บำเหน็จชราภาพ) of all employee and employer contributions plus accrued returns.

The Supreme Court clarified in Decision No. 9484/2559 that the right to old-age benefits crystallizes at the moment insured status terminates — either upon reaching 55 and leaving employment, or upon leaving employment before 55 (with payment deferred until age 55).

If the insured person dies before receiving their old-age benefits, only three categories of persons can claim the benefit: legitimate children, the spouse, and living parents. A sibling — even one who qualifies as a legal heir under CCC Section 1629 — has no right to old-age benefits (Decision No. 7328/2551). And a biological father who never legally legitimized his child cannot claim either (Decision No. 776/2553). If you want specific people to inherit your SSO old-age benefits, ensure your family relationships are legally formalized — this may require proper marriage registration or child legitimation procedures in Thailand.

7. Unemployment Benefits (Sections 78–80)

If you are laid off (termination without cause), the SSO pays 50% of your wages for up to 180 days per year. If you resign voluntarily, the benefit is 30% of wages for up to 90 days. You must register with the Government Employment Service Office to claim this.

• 2026 Update: The funeral grant will increase from 50,000 THB to 50,000 THB + extra allowances. The legal minimum is 100 times the daily minimum wage. This often leads to a payout between 50,000 and 105,000 THB, depending on specific calculations

Phased Wage Ceiling Increases Table:

Year	Wage Ceiling (THB)	Max Contribution (THB)
2026	17,500	875
2029	20,000	1,000
2032	23,000	1,150

Thailand Social Security Benefit Calculator Examples 2026

2026 Thailand Social Security Benefit Calculations and Examples With the new wage ceiling at 17,500 THB. Starting January 2026, maximum contributions are 875 THB each from employee and employer.

• Unemployment Benefit Example: 50% of average wage for up to 180 days. For 17,500 THB wage, get up to 8,750 THB/month (up from 7,500 THB).
• Sickness Benefit Example: 50% wage for 90 days max per illness. Use SSO online tools for personalized estimates. Phased increases: 20,000 THB in 2029, 23,000 THB in 2032. Calculate your benefits via the SSO website.

Can I Use a Private Hospital with Social Security in Thailand?

SSO coverage applies at your designated main contractor hospital. When you first register, you select (or are assigned) a hospital from the SSO network. Many mid-tier private hospitals participate, so you are not limited to government facilities. You can change your designated hospital once per year during the annual enrollment window.

However, the Supreme Court has addressed what happens in emergencies. In Decision No. 6934/2546, the Court ruled that when a patient’s condition is life-threatening and the designated hospital cannot provide adequate treatment, transferring to a non-designated hospital is a “reasonable necessity” under Section 59. You do not lose your SSO rights by seeking emergency care elsewhere, and the SSO must reimburse the costs.

But there are limits. In Decision No. 8094/2560, the Court ruled that choosing a non-designated hospital simply because you prefer that hospital or are familiar with its doctors — when your designated hospital was closer and available — does not qualify as “reasonable necessity.” That patient was denied reimbursement. The practical rule: in a genuine emergency, go to the nearest hospital and your rights are protected. For non-emergency situations, always use your designated hospital or request a formal referral.

Does Social Security in Thailand Cover Dental Treatment?

Yes, but with limits. SSO coverage extends to 900 THB per year for basic dental procedures such as extraction, filling, scaling, and dentures. This is a reimbursement — you pay the dentist, then claim back from the SSO. Many dental clinics in Thailand will handle the paperwork directly if they are in the SSO network.

What About the 2026 Wage Ceiling Increase?

Effective 1 January 2026, the statutory wage ceiling for SSO contributions increased. They raised from 15,000 THB to 17,500 THB per month. This means the maximum monthly contribution rises from 750 THB to 875 THB each for employee and employer.

Employers must update their payroll systems to deduct from the new ceiling. Further increases are planned: the next adjustments are scheduled for 2029 and 2032. It is part of a multi-year modernization program.

Employee Welfare Fund — New Mandatory Scheme in 2026

In addition to the wage ceiling increase, employers should prepare for the Employee Welfare Fund (กองทุนสวัสดิการลูกจ้าง). It was originally scheduled for October 2025 but postponed to 1 October 2026. The EWF is a separate mandatory scheme from Social Security requiring additional employer contributions. Combined with the SSO ceiling increase, businesses face two statutory cost increases in 2026.

If you are setting up a company in Thailand or managing payroll for an existing business, update your workforce cost projections for 2026–2027 to account for both increases. For guidance on your employer tax obligations related to these contributions, see our guide on personal income tax in Thailand and tax ID registration.

Can I Opt Out of Social Security in Thailand?

No. Contributions are mandatory for all employees covered under Section 33. Having private insurance does not exempt you or your employer from SSO contributions. The two systems run in parallel — private insurance is supplementary, not a substitute for the statutory scheme.

What Is the Difference Between Social Security and the Workmen’s Compensation Fund?

Many expats and employers confuse two separate systems that run in parallel. The Social Security Fund, governed by the Social Security Act B.E. 2533, covers non-work-related injury, illness, maternity, death, old-age, and unemployment. Contributions are shared between employee (5%), employer (5%), and the government.

The Workmen’s Compensation Fund (WCF), governed by the Workmen’s Compensation Act B.E. 2537 (พ.ร.บ.เงินทดแทน พ.ศ. 2537, amended in 2018), covers work-related injury, illness, disability, and death only. The employer pays 100% of the WCF contribution — ranging from 0.2% to 1.0% of payroll depending on industry risk. Employees pay nothing toward the WCF.

In practice: if an employee breaks their leg at home on a weekend, the SSO covers treatment. If the same employee breaks their leg at the factory during working hours, the Workmen’s Compensation Fund covers it. Both systems run simultaneously, and the employer must register and contribute to both. If you are involved in a workplace accident, the legal framework that applies depends entirely on whether the injury occurred during work or outside of it.

Can I Claim Social Security AND Sue the Person Who Injured Me?

Yes. The Supreme Court addressed this directly in Decision No. 963/2539, a landmark case. If you are injured by a third party — for example, in a traffic accident — you have two separate rights: you can claim benefits from the Social Security Fund, and you can also sue the person who caused your injury for damages under civil liability rules. These are independent legal rights.

However, the Court also ruled that if you voluntarily waive your SSO rights — for instance, by signing a letter electing to claim only from the at-fault party — that waiver is binding. You cannot later go back and claim medical reimbursement from the SSO for the same treatment. The lesson: if you are injured by someone else’s negligence, do not waive your SSO rights without careful consideration. Consult a lawyer before signing anything.

What Can I Do If Social Security Denies My Claim?

Thai law provides a structured appeals process under Sections 85–87 of the Social Security Act.

First, you must file a written appeal to the Appeals Committee (คณะกรรมการอุทธรณ์) within 30 days of receiving the SSO’s decision (Section 85). The Committee reviews the case and issues its own decision. If you disagree with the Committee’s ruling, you may file a case with the Labour Court within 30 days of receiving the written decision (Section 87). If you miss this deadline, the Committee’s decision becomes final.

The Supreme Court has consistently held that the one-year filing deadline in Section 56 — for initial benefit claims — is not an absolute bar. In Decision No. 895/2547, the Court ruled that Section 56 is a procedural timeline to encourage prompt filing, not a rigid cutoff that automatically forfeits your rights. If you have reasonable cause for filing late, you may still receive benefits. Decision No. 8630/2550 reinforced this, confirming that Section 84 bis allows insured persons who are outside Thailand or have legitimate necessity to apply for an extension.

For expats dealing with this process: if the SSO sends the Appeals Committee’s decision by registered mail to multiple addresses, the Supreme Court has ruled (Decision No. 6925/2557) that the 30-day clock starts from the later delivery date. The deadline is interpreted in your favor under Civil and Commercial Code Section 11. If you are unsure about the timeline, consult with a lawyer before the deadline expires.

What Counts as “Wages” for Contribution Calculations?

Section 5 of the Social Security Act defines “wages” (ค่าจ้าง) as money paid by the employer as compensation for work during normal working hours, including pay during holidays and leave. However, not every payment to an employee qualifies.

The Supreme Court has provided important clarifications. In Decision No. 8245/2560, the Court held that service charges — tip pooling collected from hotel and restaurant customers and distributed to employees — are not “wages” under Section 5. The employer acts merely as an intermediary; these payments are not compensation for normal working hours. Employers should not include pooled service charges when calculating SSO contributions.

Similarly, in Decision No. 8093/2560, a “seat allowance” (ค่านั่งเครื่อง) paid to cashiers — which could be reduced for misconduct — was ruled to be an incentive payment, not wages. It fell outside the Section 5 definition.

For employers: an incorrect classification of payments can trigger penalties during an SSO audit. If you operate in the hospitality or retail sector, review your payroll categories carefully against these rulings.

How Do I Claim Benefits When Leaving Thailand?

If you leave Thailand permanently and your insured status ends, you may be entitled to a lump-sum old-age payment (บำเหน็จชราภาพ) under Section 77 bis, provided you have contributed for at least 12 months.

The process requires you to visit your local SSO office in person before leaving Thailand — claims cannot be processed online for departing foreigners. You should bring a Thai-speaking companion, as most SSO officers do not speak English and all forms are in Thai. Documents required include your passport, work permit or cancellation letter, SSO card, and your Thai bank book. The SSO will only transfer funds to a Thai bank account. They do not send payments to foreign banks, so make sure your Thai account remains open until the payment arrives, which typically takes two to four months.

As a practical matter, many expats who only worked in Thailand for a short period decide the lump sum is not worth the effort. If you contributed for 15 years or more (180 months), you are entitled to a monthly pension rather than a lump sum — but this pension is only payable from age 55 and is typically sent to a Thai bank account. For long-term expats considering retirement options, see our guide on the cost of retiring in Thailand.

Can I Receive My Home Country’s Pension in Thailand?

This is a separate question from Thai Social Security. If you are a US citizen receiving Social Security benefits from the United States, your payments generally continue while you live in Thailand — most retirees keep their US bank account and access funds via international transfer or ATM withdrawal. However, US Medicare does not cover healthcare in Thailand. You will need separate health insurance or pay out of pocket. Thailand does not tax foreign-sourced income that is not remitted into Thailand in the same calendar year it is earned, though recent tax rule changes may affect this — see our guide on personal income tax for current rules.

Thailand has bilateral social security agreements with some countries. If your home country has such an agreement, your contribution periods may be recognized between the two systems. Check with your home country’s social security administration for details.

Supreme Court Decisions on Social Security in Thailand

ThaiLawOnline maintains a legal database of over 80,000 Supreme Court (ศาลฎีกา) decisions. Our database contains 94 decisions that directly cite the Social Security Act B.E. 2533, and over 200 that discuss social security issues more broadly. Below is a summary of the key rulings organized by topic. No other legal guide for foreigners in Thailand provides this level of case law analysis.

On the Definition of Wages (Section 5)

Decision No. 8245/2560 established that pooled service charges in the hospitality industry are not wages for SSO contribution purposes. Decision No. 8093/2560 ruled similarly for performance-linked “seat allowances” paid to cashiers. Both decisions confirm that the Section 5 definition is narrower than the colloquial meaning of “pay” — only compensation for work during normal hours counts.

On Tort Claims vs. SSO Benefits

Decision No. 963/2539 confirmed that insured persons injured by third parties hold dual rights: they can claim SSO benefits and sue the tortfeasor. But a voluntary waiver of SSO rights in favor of the tortfeasor’s payment is binding.

On Emergency Hospital Transfers (Section 59)

Decision No. 6934/2546 held that life-threatening emergencies justify treatment at a non-designated hospital, and the SSO must reimburse. Decision No. 8094/2560 limited this to genuine emergencies — personal preference does not qualify.

On Filing Deadlines (Sections 56 and 84 bis)

Decisions No. 895/2547, 783/2550, and 8630/2550 collectively establish that the one-year filing deadline is procedural, not a rigid bar. Reasonable cause for late filing preserves the right to benefits. Being abroad or having legitimate necessity entitles the insured person to an extension.

On the Appeals Process (Sections 85 and 87)

Decisions No. 8787/2550 and 6925/2557 establish that when the SSO mails the Appeals Committee’s decision to multiple addresses, the 30-day appeal window starts from the later delivery. Decision No. 7366/2558 confirmed that disputes about insured-person status must follow the statutory appeals path — SSO decision, then Appeals Committee, then Labour Court — before the court will hear the case.

On Death Benefits and Heir Definitions (Sections 73 and 77 quater)

Decision No. 7328/2551 limited old-age benefit heirs to legitimate children, spouses, and parents — excluding siblings. Decision No. 776/2553 confirmed that only legal (not biological) relationships qualify. Decision No. 8889/2547 showed that contribution gaps during sick leave can eliminate death benefit eligibility.

On Coverage Scope (Section 4)

Decision No. 875/2548 held that government employees working privately after hours are not exempt from SSO coverage for that private employment. The employer must register them and pay contributions.

🚨 Key Update: The 2026 Contribution Cap Increase for Social Security in Thailand

For over 30 years, the salary cap for calculating contributions was fixed at 15,000 THB. This kept premiums low but also limited the payouts for pensions and unemployment.

Effective January 1, 2026, social security in Thailand raised the wage ceiling to better reflect current economic realities. This increase is being rolled out in three phases:

Phase	Years Effective	New Salary Cap	Max Monthly Contribution (Employee)	Max Monthly Contribution (Employer)
Phase 1	2026 – 2028	17,500 THB	875 THB	875 THB
Phase 2	2029 – 2031	20,000 THB	1,000 THB	1,000 THB
Phase 3	2032 Onwards	23,000 THB	1,150 THB	1,150 THB

Self-employed individuals also have a pathway to participate in Social Security in Thailand under Section 40.

Employer Compliance & Registration

For HR managers and business owners, 2026 brings stricter compliance and new calculation tables.

Registration Deadlines

• New Employees: Must be registered with the SSO (Form Sor Kor Lor 1-03) within 30 days of starting work.

• Resignations: Must be reported within the 15th of the following month.

Remittance and Penalties

• Due Date: Contributions (both SSO and EWF) must be remitted by the 15th of the following month.

• Late Penalties:

    ◦ Social Security: 2% per month surcharge on unpaid contributions.

    ◦ Employee Welfare Fund: 5% per month surcharge. This is a severe penalty designed to force compliance.

6-Month Action Plan for 2026

To prepare for the changes effective October 2026 (EWF) and January 2026 (Wage Cap):

1. April–May 2026: Review current payroll software to ensure it handles the 17,500 THB cap.

2. June–July 2026: Assess if your company needs to set up a Provident Fund to avoid the mandatory EWF.

3. August 2026: Conduct a data quality audit of employee records.

4. October 2026: Process the first deductions for the Employee Welfare Fund.

What this means for you:

• If you earn less than 15,000 THB: No change. You still pay 5% of your salary.
• If you earn 17,500 THB or more: Your monthly deduction increases from 750 THB to 875 THB. In return, your cash benefits (like maternity, unemployment, and pension base) will increase.

Impact on Benefits

This increase in contributions directly correlates to an increase in benefits. Since the “average salary” for payouts is higher, cash benefits for sickness, maternity, and unemployment will increase too.

• Sickness/Unemployment Cap: The highest monthly benefit for income replacement goes up from 7,500 THB to 8,750 THB in Phase 1.

• Old Age Pension: The pension is calculated based on the average salary of the last 60 months. A higher wage limit means a higher average salary. This leads to bigger monthly pension payments for retirees in the future.

SSO App and Digital Tools for Thailand Social Security

Using SSO Digital Tools for Thailand Social Security Manage your Thailand social security with the SSO e-Service portal and mobile app. Check contributions, change hospitals, or file claims online. Appeals Process: File within 30 days to the SSO committee. If denied, escalate to Labor Court. Download forms like Sor Kor Lor 1-03 from sso.go.th.

FAQs about Social Security in Thailand

Final Thoughts on Social Security in Thailand

The Social Security system in Thailand is undergoing its most significant modernization in decades. The 2026 reforms include raising the wage ceiling and starting the Employee Welfare Fund. These changes aim to give better financial security to older workers.

For expats, staying enrolled (even voluntarily under Section 39) ensures cheap access to healthcare and accumulates pension rights. For employers, it is important to update payroll systems. This will help avoid the high 5% monthly penalties from the new Welfare Fund. Businesses and employees should prepare for the January and October 2026 deadlines. This will help them transition smoothly into the new Thai social welfare system.

• Official site of Social Security in Thailand