Desk 2 · two destinations

Vietnam vs Thailand on a American passport

Verified 2026-08How facts work SourcesNationality is fixed. Cells are filed on each dest tax hub. Overlays are separate pair URLs.

Passport hub: From United States · home × land: US × Vietnam · US × Thailand.

Filed cells

Tax, stay and earn lenses from dest hubs — not invented fees. Purpose framing:

Work · remote · retire — which rows matter

Work — earn gate + tax days. Overlay for treaty short-stay.
Remote — stay instrument + foreign-income rule. Overlay for home traps.
Retire — stay instrument + pension articles on the overlay. Spend-down compare lives on ThonRetire.

Lens	Vietnam	Thailand
Tax-residence day test	183 days Source Luật Thuế TNCN 109/2025/QH15 Điều 2 khoản 2 điểm a; NĐ 253/2026/NĐ-CP Điều 4 khoản 1 Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	180 days Source Thailand Revenue Code §41 para 3 (rd.go.th/english/37749.html) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Foreign / worldwide income	yes Source Luật 109/2025/QH15 Điều 2 khoản 1; NĐ 253/2026/NĐ-CP Điều 6 khoản 2 điểm a Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source Thailand Revenue Code §41 para 2 (bringing foreign assessable income into Thailand) Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Top personal rate	35% Source Luật 109/2025/QH15 Điều 9 — bậc 5 Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	35% Source RD Guide to PIT Return 2024 (ภ.ง.ด.91) — official PDF rate table; matches thailand.go.th RD briefing (Revenue Code Amendment Act No. 44 B.E. 2560 schedule from tax year 2017). Note: rd.go.th/english/6045 still shows the pre-amendment 4m/35% top band and is not used for these cells. Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Long-stay instrument (filed)	yes Source Product map — purpose → entry symbol → TRC (if eligible) → work permit/exemption as four separate decisions Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.	180 days Source Royal Thai Embassy Budapest DTV page — stay up to 180 days per entry Checked Aug 2026 · Band high · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Local earn gate (filed)	yes Source Bộ luật Lao động 45/2019/QH14 Điều 153 khoản 2 Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source Royal Thai Embassy Budapest DTV page — tourist-class DTV; no Thai work permit; no work for Thai entities/clients Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Treaty (US)	No treaty in force	yes Source US–Thailand Income Tax Convention, signed Bangkok 26 Nov 1996; Art 30 general effective date 1 Jan 1998 (irs.gov/pub/irs-trty/thailand.pdf) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Employment short-stay	—	183 days Source US–TH DTA Art 16 Dependent Personal Services (IRS thailand.pdf); relief already flagged in us_th_ftc_relief_art25 — short-stay day ceiling Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Relief (double tax)	domestic foreign tax credit only (Form 1116) — no in-force treaty Source IRS A–Z treaty list — US–Vietnam signed not in force; nguon/US_VN_DTA_STATUS.md Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	ordinary tax credit Source US–TH DTA Art 16 Dependent Personal Services (IRS thailand.pdf); relief already flagged in us_th_ftc_relief_art25 — Article 25 ordinary credit Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Art 4	Cascade yes Source No in-force US–Vietnam income tax treaty → no Art 4 dual-residence cascade between the two states Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	Cascade permanent home → centre of vital interests → habitual abode → nationality Source US–Thailand Convention Art 4(2) — dual-residence tie-breaker cascade Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
SSA / totalization	no Source SSA International Programs — Status of Totalization Agreements / POMS GN 01701.005 country table — Vietnam absent from agreements in force Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	no Source SSA — U.S. International Social Security (Totalization) Agreements list does not include Thailand Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Treaty pensions	—	yes Source US–Thailand Convention Art 20(2) — social security/public pensions taxable only in the paying State; exception to the saving clause Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Foreign-income hinge	yes Source Luật 109/2025/QH15 Điều 2 khoản 1; NĐ 253/2026/NĐ-CP Điều 6 khoản 2 điểm a Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source Thailand Revenue Code §41 para 2 (bringing foreign assessable income into Thailand) Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Home-side traps	yes Source nguon/US_SIDE_TRAPS.md — FBAR / Form 8938 / FEIE gates; PFIC & expatriation dollars not modelled Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source nguon/US_SIDE_TRAPS.md — FBAR / Form 8938 / FEIE gates; PFIC & expatriation dollars not modelled Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.

Other pairs

Vietnam vs ThailandUS Thailand vs MalaysiaUS Vietnam vs PortugalUS Philippines vs IndonesiaUS Malaysia vs PortugalUS Thailand vs PortugalUS

Vietnam vs Thailand on a American passport

Verified 2026-08How facts workSourcesNationality is fixed. Cells are filed on each dest tax hub. Overlays are separate pair URLs.

Filed cells

Tax, stay and earn lenses from dest hubs — not invented fees. Purpose framing:

Work · remote · retire — which rows matter

Work — earn gate + tax days. Overlay for treaty short-stay.
Remote — stay instrument + foreign-income rule. Overlay for home traps.
Retire — stay instrument + pension articles on the overlay. Spend-down compare lives on ThonRetire.

Lens	Vietnam	Thailand
Tax-residence day test	183 days Source Luật Thuế TNCN 109/2025/QH15 Điều 2 khoản 2 điểm a; NĐ 253/2026/NĐ-CP Điều 4 khoản 1 Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	180 days Source Thailand Revenue Code §41 para 3 (rd.go.th/english/37749.html) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Foreign / worldwide income	yes Source Luật 109/2025/QH15 Điều 2 khoản 1; NĐ 253/2026/NĐ-CP Điều 6 khoản 2 điểm a Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source Thailand Revenue Code §41 para 2 (bringing foreign assessable income into Thailand) Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Top personal rate	35% Source Luật 109/2025/QH15 Điều 9 — bậc 5 Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	35% Source RD Guide to PIT Return 2024 (ภ.ง.ด.91) — official PDF rate table; matches thailand.go.th RD briefing (Revenue Code Amendment Act No. 44 B.E. 2560 schedule from tax year 2017). Note: rd.go.th/english/6045 still shows the pre-amendment 4m/35% top band and is not used for these cells. Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Long-stay instrument (filed)	yes Source Product map — purpose → entry symbol → TRC (if eligible) → work permit/exemption as four separate decisions Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.	180 days Source Royal Thai Embassy Budapest DTV page — stay up to 180 days per entry Checked Aug 2026 · Band high · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Local earn gate (filed)	yes Source Bộ luật Lao động 45/2019/QH14 Điều 153 khoản 2 Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source Royal Thai Embassy Budapest DTV page — tourist-class DTV; no Thai work permit; no work for Thai entities/clients Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Treaty (US)	No treaty in force	yes Source US–Thailand Income Tax Convention, signed Bangkok 26 Nov 1996; Art 30 general effective date 1 Jan 1998 (irs.gov/pub/irs-trty/thailand.pdf) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Employment short-stay	—	183 days Source US–TH DTA Art 16 Dependent Personal Services (IRS thailand.pdf); relief already flagged in us_th_ftc_relief_art25 — short-stay day ceiling Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Relief (double tax)	domestic foreign tax credit only (Form 1116) — no in-force treaty Source IRS A–Z treaty list — US–Vietnam signed not in force; nguon/US_VN_DTA_STATUS.md Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	ordinary tax credit Source US–TH DTA Art 16 Dependent Personal Services (IRS thailand.pdf); relief already flagged in us_th_ftc_relief_art25 — Article 25 ordinary credit Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Art 4	Cascade yes Source No in-force US–Vietnam income tax treaty → no Art 4 dual-residence cascade between the two states Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	Cascade permanent home → centre of vital interests → habitual abode → nationality Source US–Thailand Convention Art 4(2) — dual-residence tie-breaker cascade Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
SSA / totalization	no Source SSA International Programs — Status of Totalization Agreements / POMS GN 01701.005 country table — Vietnam absent from agreements in force Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	no Source SSA — U.S. International Social Security (Totalization) Agreements list does not include Thailand Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Treaty pensions	—	yes Source US–Thailand Convention Art 20(2) — social security/public pensions taxable only in the paying State; exception to the saving clause Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Foreign-income hinge	yes Source Luật 109/2025/QH15 Điều 2 khoản 1; NĐ 253/2026/NĐ-CP Điều 6 khoản 2 điểm a Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source Thailand Revenue Code §41 para 2 (bringing foreign assessable income into Thailand) Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Home-side traps	yes Source nguon/US_SIDE_TRAPS.md — FBAR / Form 8938 / FEIE gates; PFIC & expatriation dollars not modelled Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source nguon/US_SIDE_TRAPS.md — FBAR / Form 8938 / FEIE gates; PFIC & expatriation dollars not modelled Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.