Tax Deductions for Expats: What You Need to Know
Many expats in Thailand take the "Standard Deduction" and stop. However, the Thai tax code allows for several specific allowances that can save you tens of thousands of THB annually.
The Top Expat Deductions
- Personal Allowance: 60,000 THB (automatic).
- Spouse Allowance: 60,000 THB if your spouse has no income.
- Child Allowance: 30,000 THB per child (born in or after 2018, there are additional bonuses for the second child).
- Social Security (SSO): Your monthly contributions (max 750 THB/month) are fully tax-deductible.
- Health Insurance: Personal health insurance premiums are deductible up to 25,000 THB.
The 'Parents' Deduction
If you are legally supporting your parents (who are over 60 and have low income), you may be eligible for a 30,000 THB deduction per parent. Note: This often requires specific documentation if the parents are non-Thai residents.
Action Item
Provide your HR team or accountant with your marriage certificate and children’s birth certificates this month. If they don't have these on file, they cannot apply the deductions to your monthly withholding tax (P.N.D. 1), meaning you are effectively giving the government an interest-free loan until next year.
Related Service: Accounting & Tax Compliance — Payroll management and personal tax optimization for expats.
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