Moving to Thailand
Foreigner Taxation in Thailand 2026: Tax Residency & Section 41
Last reviewed: 2026-09-23
Written by Ricardo Dos Santos
Comprehensive analysis of 2026 Thai taxation: 180-day rule, taxation of remitted foreign income, and Foreign Tax Credit guidelines.
Foreigner Taxation in Thailand 2026: Tax Residency & Section 41
Revenue Department 2026 Enforcement: Under Section 41 of the Thai Revenue Code, individuals present in Thailand for 180 days or more in a calendar year qualify as tax residents. Foreign-sourced assessable income remitted into Thailand is subject to Thai Personal Income Tax (PIT) progressive rates.
1. Key Rules of Thai Tax Residency
- 180-Day Rule: Staying in Thailand for 180 days or more between January 1 and December 31.
- Domestic Income: Taxable in Thailand regardless of residency duration.
- Foreign-Sourced Income: Taxable only when remitted or transferred into a Thai financial institution.
2. Personal Income Tax (PIT) Brackets 2026
| Net Assessable Income (THB) | Marginal Tax Rate |
|---|---|
| 0 – 150,000 THB | 0% (Exempt) |
| 150,001 – 300,000 THB | 5% |
| 300,001 – 500,000 THB | 10% |
| 500,001 – 750,000 THB | 15% |
| 750,001 – 1,000,000 THB | 20% |
| 1,000,001 – 2,000,000 THB | 25% |
| 2,000,001 – 5,000,000 THB | 30% |
| Over 5,000,000 THB | 35% |
3. Double Taxation Agreements (DTA) & Foreign Tax Credit
Thailand has active Double Tax Agreements with over 60 countries. Tax paid in your home jurisdiction on foreign income may be credited against Thai tax obligations using the Revenue Department's official Foreign Tax Credit provisions.