Employer Tax Contributions

Tax Type	Rate	Base
Personal Income Tax Withholding	Progressive (0%-35%)	Employee's gross salary
Social Security Fund	5% (Employer)	Employee's monthly wage (capped at THB 15,000)
Workmen's Compensation Fund	0.2% - 1%	Employee's annual wages (capped at THB 240,000)

Filing & Compliance

• Monthly Withholding Tax (P.N.D. 1): File and remit by the 7th of the following month (15th for e-filing).
• Monthly Social Security Contributions: File and remit by the 15th of the following month.
• Annual Withholding Tax Summary (P.N.D. 1 Kor): Submit by the end of February of the following year (March 8th for e-filing).

In Thailand, employees are subject to deductions for income tax, social security, and other specific items.

Income Tax

• Progressive Rates: Income tax rates range from 0% to 35% based on income levels. The employer withholds and remits these taxes monthly to the Revenue Department. Employees file annual returns for reconciliation and potential refunds.
• Standard Deduction: A standard deduction of 50% of employment income, capped at THB 100,000, is applicable. Business expenses are not deductible against employment income.
• Allowances and Deductions: Various allowances and deductions can reduce taxable income. Examples include those for healthcare, education, and contributions to provident funds, social security, and retirement mutual funds. Allowances are also available for dependents and investments in approved securities.
• Provident Fund Contributions: Employee contributions to a registered provident fund are deductible up to 15% of the wage, capped at THB 500,000 annually. The employer typically matches contributions up to a specified limit. An employee is allowed to contribute more than the employer.
• Retirement Mutual Fund (RMF) and Super Savings Fund (SSF): Investments in RMFs are deductible up to 30% of assessable income, with an annual limit of THB 500,000. SSF investments have a separate deduction limit of up to THB 200,000 annually.
• National Savings Fund: Investments in the national savings fund are deductible up to THB 500,000 annually.

Social Security

• Employee and Employer Contributions: Both employees and employers contribute 5% of the employee's salary up to a monthly cap of THB 750. These contributions fund benefits like medical care, maternity leave, and disability payments.

Other Deductions

• Easy E-Receipt 2.0: This program allows for personal income tax deductions up to THB 50,000 for eligible goods and services purchased between January 16 and February 28, 2025. The first THB 30,000 applies to general purchases with e-tax invoices or receipts. An additional THB 20,000 is for purchases from registered community enterprises, social enterprises, and OTOP (One Tambon One Product) goods. Exclusions apply to certain items like alcohol, tobacco, vehicles, and utilities.

Tax Year and Filing

The tax year in Thailand aligns with the calendar year. The deadline for filing the annual personal income tax return is typically March 31 of the following year.

This information is current as of February 5, 2025, and may be subject to change. Consulting a qualified tax advisor is recommended for personalized guidance.