- 2024 rule change: foreign income remitted to Thailand and earned in the same year is now taxable for Thai tax residents.
- Only affects you if you spend 180+ days/year in Thailand (tax resident threshold).
- Taiwan, US, UK, Hong Kong all have Double Tax Agreements with Thailand — most retirees avoid double taxation.
- Pension and retirement income is typically taxed in the source country only under most DTA agreements.
- Practical impact is limited for most retirees — but consult a Thailand-qualified tax advisor before transferring large sums.
這是2024年以來移居泰國討論最熱的問題——泰國修改了稅法，聽說境外收入要繳稅？我的退休金、房租收入、股息還要再繳一次泰國稅？很多人因為這個問題推遲了移居計劃。本文不談行銷話術，把法規、條約、實際影響說清楚。
Since 2024, this has been the most asked question about moving to Thailand — did Thailand change its tax law? Does foreign income get taxed now? Will my pension, rental income, or dividends be double-taxed? Many people have delayed relocation plans over this. This article cuts through the noise and explains the actual rules, treaties, and practical implications.
什麼改變了？泰國新稅法2024年核心條文What Changed? The 2024 Tax Rule in Plain English
2023年9月，泰國稅務局發布了一項解釋令（No. P.161/2566），修改了對《所得稅法》第41條的解釋方式。核心變化是：
In September 2023, Thailand's Revenue Department issued Instruction No. P.161/2566, changing how Section 41 of the Revenue Code is interpreted. The key change:
- 舊規定：境外收入只有在「賺取的那一年」匯入泰國才需要申報。很多人把錢放在海外一年，隔年再匯入，就不用繳泰國稅。
- Old rule: Foreign income was only taxable if remitted to Thailand in the same tax year it was earned. Many people parked money offshore for a year before remitting — legally avoiding Thai tax.
- 新規定：2024年1月1日起，無論境外收入是哪一年賺取的，只要在泰國稅務居民身份期間匯入泰國，均需申報繳納個人所得稅。
- New rule: From January 1, 2024, foreign income remitted to Thailand is assessable regardless of when it was earned — the year-delay loophole is closed.
關鍵前提：以上規定只適用於泰國稅務居民——即每個曆年在泰國居住180天或以上的人。如果你每年在泰國不足180天，不受此規定影響。
Key prerequisite: These rules only apply to Thai tax residents — people who spend 180 or more days in Thailand in a calendar year. If you spend fewer than 180 days per year in Thailand, this does not apply to you.
哪些收入受影響？哪些不受影響？Which Income Is Affected — and Which Isn't?
| 收入類型Income Type | 是否受影響Affected? | 說明Notes |
|---|---|---|
| 境外退休金（已匯入泰國）Foreign pension remitted to Thailand | ⚠️ 視稅務協定而定⚠️ Depends on treaty | 美英台港均有協定保護US/UK/Taiwan/HK treaties protect most cases |
| 境外房租收入（匯入泰國）Foreign rental income remitted | ✅ 受影響，需申報✅ Yes, must report | 可能可抵扣在來源國已繳稅款Foreign tax credit may apply |
| 境外股息（匯入泰國）Foreign dividends remitted | ⚠️ 視稅務協定而定⚠️ Depends on treaty | 需查對應國協定條款Check applicable treaty |
| 留在境外的收入（未匯入泰國）Income kept outside Thailand | ❌ 不受影響❌ Not affected | 未匯入泰國不算泰國應稅所得Not remitted = not Thai assessable income |
| 泰國境內工作或投資收入Thai-source income | ✅ 一直都需申報✅ Always taxable (unchanged) | 與新規定無關，一向如此This is unchanged from before |
台灣人、香港人、美國人、英國人——各有什麼保護？Protection by Nationality: US, UK, Taiwan, Hong Kong
台灣人 🇹🇼Taiwan 🇹🇼
台灣與泰國簽有稅務協定（Arrangement for the Avoidance of Double Taxation）。台灣的退休金（勞保老年給付、勞退金）在協定框架下通常由台灣課稅，泰國不重複徵收。但資本利得和房租收入的處理較複雜，建議諮詢熟悉兩地稅法的顧問。
Taiwan and Thailand have a tax arrangement for the avoidance of double taxation. Taiwan-source retirement benefits are generally taxed by Taiwan, not Thailand. Capital gains and rental income treatment is more complex — consult a cross-border tax advisor.
香港人 🇭🇰Hong Kong 🇭🇰
香港與泰國目前有有限度稅務協議。香港本身的所得稅率極低（薪俸稅上限15%），許多在港收入在港繳稅後，可透過外國稅收抵免機制減輕在泰稅負。香港人移居泰國的稅務情況因收入結構而異，需個案分析。
Hong Kong has a limited tax agreement with Thailand. Hong Kong's low tax rates (max 15% salaries tax) mean most HK income is already taxed at source — foreign tax credits may offset Thai liability. Each case differs by income structure.
美國人 🇺🇸United States 🇺🇸
美泰稅務協定（1997年）保護大部分退休收入：社會安全金由美國課稅，不在泰國重複徵收。私人退休金視情況而定。此外，美國公民無論住哪都要報美國稅，可使用外國稅收抵免（Foreign Tax Credit）避免雙重課稅。
The US-Thailand tax treaty (1997) protects most retirement income — Social Security is taxed only by the US. Private pensions depend on circumstances. US citizens file US taxes regardless of where they live; the Foreign Tax Credit offsets Thai tax liability.
英國人 🇬🇧United Kingdom 🇬🇧
英泰稅務協定保護國家養老金和多數退休金，由英國課稅。但英國養老金在泰國「凍結」（不隨物價上調）的問題仍存在——這是稅務以外的另一個考量。
The UK-Thailand tax treaty protects the State Pension and most pension income — taxed in the UK, not Thailand. Note that the UK State Pension is frozen for Thai residents (no annual uprating) — a separate issue from taxation.
實際影響到底有多大？誠實評估What's the Realistic Impact? An Honest Assessment
許多關於泰國新稅法的報導過度誇大了影響。以下是更現實的評估：
Much of the reporting on Thailand's tax change overstates its real-world impact. Here's a more grounded assessment:
- 退休金領取者（主要收入為養老金）：大多數人受稅務協定保護，實際稅負變化很小。
- Pension-primary retirees: Most are protected by treaties. Real tax impact is minimal for the majority.
- 有大量境外投資收入者：影響較顯著，需要重新規劃匯款時機和結構。
- Those with large foreign investment income: More impact. Remittance timing and structure planning is needed.
- 每年在泰不足180天的人：完全不受影響。泰國特權卡會員如果頻繁回台/回港，可能本來就不是泰國稅務居民。
- People spending under 180 days/year in Thailand: Completely unaffected. Thailand Privilege Card members who travel frequently may not even qualify as Thai tax residents.
重要：泰國目前對外籍退休人士的稅務執法仍相對寬鬆，但法規已改變。建議在移居前諮詢同時熟悉泰國稅法和你母國稅法的專業顧問——而不是事後才處理。
Important: Thailand's enforcement against foreign retirees remains relatively light — but the law has changed. Get proper cross-border tax advice before you move, not after.
稅務規劃的3個實用建議3 Practical Tax Planning Tips
- 控制在泰天數：如果你的境外收入較複雜，考慮每年確保在泰天數低於180天，維持非稅務居民身份。泰國特權卡不會限制你的出入境——你可以自由進出。
- Manage days in Thailand: If your foreign income is complex, consider keeping Thai days under 180 to remain a non-resident for tax purposes. Thailand Privilege Card has no restriction on your travel.
- 分開管理境內外資金：保留境外帳戶用於儲蓄和投資，只把實際生活所需的資金匯入泰國。未匯入的資金不受泰國稅法管轄。
- Segregate offshore and onshore funds: Keep a foreign account for savings/investments; remit only what you need for living expenses. What stays outside Thailand isn't subject to Thai tax.
- 在移居前諮詢稅務顧問：不要依賴網上文章（包括本文）作為最終稅務決策依據。你的收入結構是個案性的，一個小時的專業稅務諮詢可以幫你省下很多麻煩。LAVIDA可以為你介紹熟悉港台稅務的泰國稅務顧問。
- Get professional advice before moving: Don't rely on blog articles (including this one) as your final tax guidance. Your income structure is unique. One hour with a qualified cross-border tax advisor is worth it. LAVIDA can connect you with advisors who specialise in Thai tax for Hong Kong and Taiwan residents.
延伸閱讀：泰國特權卡費用完整說明 — 各套餐價格與比較 →Related: Thailand Privilege Card Cost Guide — All Package Prices & Breakdown →
想知道新稅法對你的具體影響？Want to Know How the New Tax Rules Affect You Specifically?
每個人的收入結構不同，答案也不同。LAVIDA提供免費初步諮詢，並可為你介紹專精泰國稅法的顧問——讓你移居前把帳算清楚。Every situation is different. LAVIDA offers a free initial consultation and can connect you with tax advisors who specialise in Thailand's rules for foreign residents — so you move with the numbers clear.
預約免費諮詢Book Free Consultation本文資料基於截至2026年7月的公開資訊，僅供參考。稅務法規可能隨時修訂，個人稅務情況因收入結構、國籍和居住天數而異。本文不構成稅務或法律建議，請向具備資質的稅務顧問諮詢。Data based on publicly available information as of July 2026 and is for reference only. Tax laws are subject to change; individual tax situations vary by income structure, nationality, and days of residency. This article does not constitute tax or legal advice — consult a qualified tax professional.