Thailand Tax Calculator (2026)

Income tax rates and take-home pay for Thailand

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Thailand Income Tax Brackets (2025)

Bracket Income Range Rate
ExemptTHB 0 - THB 150,0000.0%
5% bracketTHB 150,000 - THB 300,0005.0%
10% bracketTHB 300,000 - THB 500,00010.0%
15% bracketTHB 500,000 - THB 750,00015.0%
20% bracketTHB 750,000 - THB 1,000,00020.0%
25% bracketTHB 1,000,000 - THB 2,000,00025.0%
30% bracketTHB 2,000,000 - THB 5,000,00030.0%
35% bracketTHB 5,000,000+35.0%

Personal allowance: THB 60,000

Social Security Fund contribution

Bracket Income Range Rate
5% contributionTHB 0+5.0%

Capped at THB 9,000 per year

Key Facts

Tax Year

2025

Currency

THB

Top Rate

35.0%

Brackets

8 brackets

Allowance

THB 60,000

Social Contributions

1 item

Assumptions

  • · Model assumes resident employee with employment income only.
  • · Standard employment deduction of 50% (capped at THB 100,000) is applied to reduce taxable income.
  • · Personal allowance of THB 60,000 for single taxpayer is deducted before computing PIT.
  • · Social security contribution of 5% (capped at THB 750/month = THB 9,000/year) is mandatory employee deduction and reduces taxable income.
  • · Charitable donations, life insurance, health insurance, mortgage interest, and retirement fund contributions are discretionary personal deductions not included in this baseline model.
  • · Tax credits for withholding at source are not modeled as they depend on actual withholding and are settled at filing.
  • · Inheritance tax, VAT, and other indirect taxes are excluded as they do not apply to employment income.
  • · Non-resident taxation and foreign income remittance rules are not modeled; model assumes resident employee.

Frequently asked questions

How much income tax do I pay in Thailand as an employee?

Thailand uses a progressive tax system with 8 income brackets ranging from 0% to 35%. The first THB 150,000 of your taxable income is tax-free, then rates increase from 5% on income between THB 150,000 and THB 300,000, up to 35% on income above THB 5,000,000. Your actual tax depends on your gross salary minus deductions like the employment expense deduction (50% of income, capped at THB 100,000), social security contributions, and a personal allowance of THB 60,000.

What deductions reduce my taxable income in Thailand?

As an employee, you get several automatic deductions: a personal allowance of THB 60,000, an employment expense deduction of 50% of your income (capped at THB 100,000), and mandatory social security contributions of 5% (capped at THB 9,000 per year). You may also be eligible for additional deductions for charitable donations, life insurance, health insurance, mortgage interest, and retirement contributions, though these are not included in the baseline calculator.

Do I have to pay social security contributions in Thailand?

Yes, as an employee in Thailand you must contribute 5% of your gross income to the Social Security Fund, with a maximum annual contribution of THB 9,000. This contribution is mandatory and reduces your taxable income, so it lowers both your take-home pay and your income tax liability.

Is there a tax-free threshold in Thailand?

Yes, Thailand has a combined tax-free threshold of approximately THB 210,000 when you combine the personal allowance of THB 60,000 with the employment expense deduction (50% of income, capped at THB 100,000), plus the mandatory social security contribution. This means lower earners may owe little to no income tax depending on their total compensation.

What is the highest income tax rate in Thailand?

The highest marginal income tax rate in Thailand is 35%, which applies to taxable income above THB 5,000,000. Before reaching this top rate, you'll move through seven other brackets, with rates increasing from 5% at THB 150,000 to 30% at THB 2,000,000 and above.

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