Desk 2 · two destinations

Vietnam vs Thailand on a British 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 Kingdom · home × land: UK × Vietnam · UK × 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 (UK)	yes Source UK–Vietnam DTA 1994; SI 1994/3216; GOV.UK Vietnam tax treaties Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source GOV.UK Thailand tax treaties — double taxation convention entered into force on 20 November 1981 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 SI 1994/3216 Schedule Art 15 — 183 days within any 12 months (one of conditions) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	183 days Source UK–Thailand Convention Art 16(2)(a) — not exceeding in the aggregate 183 days in the fiscal year concerned Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Relief (double tax)	ordinary tax credit Source SI 1994/3216 Schedule Art 15 / Art 22; nguon/UK_VN_DTA_1994.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 UK–Thailand Convention Art 23 — UK credits Thai tax; Thailand credits UK tax, subject to domestic limits Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Art 4	Cascade permanent home → centre of vital interests → habitual abode → nationality → mutual agreement Source SI 1994/3216 Schedule Art 4(2)(a)–(d) 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 → mutual agreement Source UK–Thailand Convention 1981 Art 4(2), GOV.UK text Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
SSA / totalization	no Source GOV.UK Reciprocal agreements + NI38 country lists do not include Vietnam as a UK social security agreement partner Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	no Source GOV.UK Reciprocal agreements + NI38 country lists do not include Thailand as a UK social security agreement partner Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Treaty pensions	yes Source SI 1994/3216 Schedule Art 18(1) — pensions/annuities taxable only in residence state (subject to Art 19(2)) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source UK–Thailand Convention 1981 — no dedicated pensions article for private/SIPP income; GOV.UK consolidated text 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 Stack with Thailand Revenue Code §41 remittance basis (/thailand/tax) — treaty relief is pair-specific; do not invent Art numbers without reading the convention text 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/UK_SIDE_TRAPS.md — HS278 / TCGA s10A / FIG regime; gates only, no dollar bills Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source nguon UK-side traps / uk_vn_tax cells — TNR CGT, FIG, SRT reuse across destinations Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.

Other pairs

Vietnam vs ThailandUK Thailand vs MalaysiaUK Vietnam vs PortugalUK Philippines vs IndonesiaUK Malaysia vs PortugalUK Thailand vs PortugalUK

Vietnam vs Thailand on a British 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 (UK)	yes Source UK–Vietnam DTA 1994; SI 1994/3216; GOV.UK Vietnam tax treaties Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source GOV.UK Thailand tax treaties — double taxation convention entered into force on 20 November 1981 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 SI 1994/3216 Schedule Art 15 — 183 days within any 12 months (one of conditions) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	183 days Source UK–Thailand Convention Art 16(2)(a) — not exceeding in the aggregate 183 days in the fiscal year concerned Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Relief (double tax)	ordinary tax credit Source SI 1994/3216 Schedule Art 15 / Art 22; nguon/UK_VN_DTA_1994.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 UK–Thailand Convention Art 23 — UK credits Thai tax; Thailand credits UK tax, subject to domestic limits Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Art 4	Cascade permanent home → centre of vital interests → habitual abode → nationality → mutual agreement Source SI 1994/3216 Schedule Art 4(2)(a)–(d) 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 → mutual agreement Source UK–Thailand Convention 1981 Art 4(2), GOV.UK text Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
SSA / totalization	no Source GOV.UK Reciprocal agreements + NI38 country lists do not include Vietnam as a UK social security agreement partner Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	no Source GOV.UK Reciprocal agreements + NI38 country lists do not include Thailand as a UK social security agreement partner Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Treaty pensions	yes Source SI 1994/3216 Schedule Art 18(1) — pensions/annuities taxable only in residence state (subject to Art 19(2)) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source UK–Thailand Convention 1981 — no dedicated pensions article for private/SIPP income; GOV.UK consolidated text 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 Stack with Thailand Revenue Code §41 remittance basis (/thailand/tax) — treaty relief is pair-specific; do not invent Art numbers without reading the convention text 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/UK_SIDE_TRAPS.md — HS278 / TCGA s10A / FIG regime; gates only, no dollar bills Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source nguon UK-side traps / uk_vn_tax cells — TNR CGT, FIG, SRT reuse across destinations Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.