Desk 2 · two destinations

Portugal vs Vietnam on a Japanese 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 Japan · home × land: JP × Portugal · JP × Vietnam.

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	Portugal	Vietnam
Tax-residence day test	183 days Source Autoridade Tributária English tax-residency rules page + CIRS Art. 16(1)(a) — resident if stayed in Portugal for more than 183 days (consecutive or interrupted) in any 12-month period beginning or ending in the tax year in question Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Foreign / worldwide income	yes Source AT tax-residency rules — residents typically pay tax on all their income, whether from Portugal or abroad; non-residents only pay tax on Portugal-source income Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Top personal rate	48% Source CIRS Art. 68(1) (Lei 73-A/2025) — AT irs68 table: superior a €86,634; taxa normal 48,00% (ninth escalão; no taxa média listed) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Long-stay instrument (filed)	7 days/year Source AIMA ARI Art. 90.º-A — the ARI holder must spend at least 7 days in Portugal in the first year and at least 14 days in each subsequent year (a light physical-presence rule, not a residence-for-tax rule) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Local earn gate (filed)	2157 EUR/month Source AIMA Art. 90.º highly-qualified activity — subordinate hire needs an employer declaration of a contract paying at least 1.5× the national average gross annual salary (€2,157/month) or 3× the IAS; for shortage occupations in ISCO major groups 1 and 2 the floor is at least 1.2× the average gross salary (€1,725.60/month) or 2× the IAS (€1,018.52/month). Reference years: 2023 (average salary), 2024 (IAS) Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Treaty (JP)	yes Source Portugal OECD MLI consolidated position + AT DTC summary table (Parliament's Resolution 50/2012) — Convention between the Portuguese Republic and Japan, Original signed 19-12-2011, entry into force 28-07-2013 Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source Japan–Vietnam DTA 1995; MOF tax convention list; MOF synthesised text Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Employment short-stay	183 Source JP–PT Convention Art 14(2)(a) — ≤183 days in any twelve-month period commencing or ending in the taxable year concerned Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	183 days Source Japan–Vietnam DTA Art 15 — ≤183 days in the calendar year (one of conditions) 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 JP–PT Convention Art 22 — Elimination of Double Taxation (Portugal credits Japanese tax; Japan credits Portuguese tax) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	ordinary tax credit Source Japan–Vietnam DTA Art 15 / Art 23; nguon/JP_VN_DTA_1995.md 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 JP–PT Convention Art 4(2) (OECD-model cascade in the Portugal AT / Inforfisco consolidated text) — permanent home → centre of vital interests → habitual abode → nationality → competent-authority mutual agreement 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 Japan–Vietnam DTA 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.
SSA / totalization	no Source Japan Pension Service — Status of Agreements in Force (24 partners) does not include Portugal Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	no Source MHLW / JPS social security agreement country lists — Vietnam not among agreements in force; MOFA press release 18 July 2025 only announces commencement of intergovernmental negotiations Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Treaty pensions	—	yes Source Japan–Vietnam DTA Art 18 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 AT tax-residency rules — residents typically pay tax on all their income, whether from Portugal or abroad; non-residents only pay tax on Portugal-source income Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Home-side traps	yes Source Japan domestic rules reuse (jp_vn_tax): exit tax on financial assets, nenkin pension — the Portugal DTA does not delete them Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source nguon/JP_SIDE_TRAPS.md — domicile/1yr / worldwide / exit tax gates Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.

Portugal

Through a JP lens

StayVisa and residence EarnWork lawfully TaxWho may tax you there Pair overlayJP → PortugalTreaty and home-side traps Home × land deskRead this pair as a desk

Earn doors we publish

Local hireArticle 88 subordinate work Highly qualifiedArticle 90 floor RemoteDigital nomad track Own a businessIndependent / founder

Vietnam

Through a JP lens

StayVisa and residence EarnWork lawfully TaxWho may tax you there Pair overlayJP → VietnamTreaty and home-side traps Home × land deskRead this pair as a desk

Depth: decide · path · 40 fields

Other pairs

Vietnam vs ThailandJP Thailand vs MalaysiaJP Vietnam vs PortugalJP Philippines vs IndonesiaJP Malaysia vs PortugalJP Thailand vs PortugalJP

Portugal vs Vietnam on a Japanese 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	Portugal	Vietnam
Tax-residence day test	183 days Source Autoridade Tributária English tax-residency rules page + CIRS Art. 16(1)(a) — resident if stayed in Portugal for more than 183 days (consecutive or interrupted) in any 12-month period beginning or ending in the tax year in question Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Foreign / worldwide income	yes Source AT tax-residency rules — residents typically pay tax on all their income, whether from Portugal or abroad; non-residents only pay tax on Portugal-source income Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Top personal rate	48% Source CIRS Art. 68(1) (Lei 73-A/2025) — AT irs68 table: superior a €86,634; taxa normal 48,00% (ninth escalão; no taxa média listed) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Long-stay instrument (filed)	7 days/year Source AIMA ARI Art. 90.º-A — the ARI holder must spend at least 7 days in Portugal in the first year and at least 14 days in each subsequent year (a light physical-presence rule, not a residence-for-tax rule) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Local earn gate (filed)	2157 EUR/month Source AIMA Art. 90.º highly-qualified activity — subordinate hire needs an employer declaration of a contract paying at least 1.5× the national average gross annual salary (€2,157/month) or 3× the IAS; for shortage occupations in ISCO major groups 1 and 2 the floor is at least 1.2× the average gross salary (€1,725.60/month) or 2× the IAS (€1,018.52/month). Reference years: 2023 (average salary), 2024 (IAS) Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Treaty (JP)	yes Source Portugal OECD MLI consolidated position + AT DTC summary table (Parliament's Resolution 50/2012) — Convention between the Portuguese Republic and Japan, Original signed 19-12-2011, entry into force 28-07-2013 Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source Japan–Vietnam DTA 1995; MOF tax convention list; MOF synthesised text Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Employment short-stay	183 Source JP–PT Convention Art 14(2)(a) — ≤183 days in any twelve-month period commencing or ending in the taxable year concerned Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	183 days Source Japan–Vietnam DTA Art 15 — ≤183 days in the calendar year (one of conditions) 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 JP–PT Convention Art 22 — Elimination of Double Taxation (Portugal credits Japanese tax; Japan credits Portuguese tax) Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	ordinary tax credit Source Japan–Vietnam DTA Art 15 / Art 23; nguon/JP_VN_DTA_1995.md 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 JP–PT Convention Art 4(2) (OECD-model cascade in the Portugal AT / Inforfisco consolidated text) — permanent home → centre of vital interests → habitual abode → nationality → competent-authority mutual agreement 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 Japan–Vietnam DTA 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.
SSA / totalization	no Source Japan Pension Service — Status of Agreements in Force (24 partners) does not include Portugal Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	no Source MHLW / JPS social security agreement country lists — Vietnam not among agreements in force; MOFA press release 18 July 2025 only announces commencement of intergovernmental negotiations Checked Aug 2026 · Band med · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.
Treaty pensions	—	yes Source Japan–Vietnam DTA Art 18 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 AT tax-residency rules — residents typically pay tax on all their income, whether from Portugal or abroad; non-residents only pay tax on Portugal-source income Checked Aug 2026 · Band low · Status fresh Open primary URL Method: figures past 2× SLA hide. See /method · /status · /changelog.	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.
Home-side traps	yes Source Japan domestic rules reuse (jp_vn_tax): exit tax on financial assets, nenkin pension — the Portugal DTA does not delete them Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.	yes Source nguon/JP_SIDE_TRAPS.md — domicile/1yr / worldwide / exit tax gates Checked Aug 2026 · Band low · Status fresh Method: figures past 2× SLA hide. See /method · /status · /changelog.