Portugal taxes a resident on worldwide income, while the United Arab Emirates charges no personal income tax. Portugal's lowest cited income floor is $1,051 a month, against $3,500 in the United Arab Emirates. Portugal naturalises after 10 years of residence, and the United Arab Emirates grants citizenship by nomination only (no residence clock to start).
Portugal sources verified 2026-07-12. United Arab Emirates sources verified 2026-07-12.
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| PortugalSources verified 2026-07-12 | United Arab EmiratesSources verified 2026-07-12 |
|---|---|
| Personal income tax | |
| WorldwideCodigo do IRS, Artigo 15 (Autoridade Tributaria) | No personal income taxTaxation, The Official Platform of the UAE Government (u.ae) |
| Lowest cited income floor, a month | |
$1,051 Passive income (rentista)Meios de subsistencia, Vistos Nacionais (MNE) | $3,500 Remote workResidence visa for working outside the UAE, The Official Platform of the UAE Government (u.ae) |
| Lowest cited investment route | |
| Not in this dossier yet | $544,588 InvestorGolden visa, The Official Platform of the UAE Government (u.ae) |
| Citizenship | |
Residence first10 yrs | By nomination onlyno residence clock to startEmirati nationality, The Official Platform of the UAE Government (u.ae) |
| Your current passport | |
| Kept on naturalisationLei 37/81 (Nationality Law), Artigo 8, consolidated (Diario da Republica) | Not in this dossier yet |
| EU access and English | |
| EU accessEnglish widely spoken | No EU accessEnglish widely spoken |
* OmniFlag's own assessment, not a figure from a statute.
The full comparison, in words
Portugal and the United Arab Emirates differ on the three things a mover weighs first: what each taxes, the cheapest cited way in, and how long citizenship takes. On tax, Portugal taxes a resident on worldwide income, while the United Arab Emirates charges no personal income tax. On entry, Portugal's lowest cited income floor is $1,051 a month on its passive income (rentista) route. The United Arab Emirates' lowest cited income floor is $3,500 a month on its remote work route. On citizenship, Portugal naturalises after 10 years of residence, and the United Arab Emirates grants citizenship by nomination only (no residence clock to start). The table below sets every cited figure side by side, and each dossier carries the full detail.
Common questions
Does Portugal or the United Arab Emirates tax foreign income?
Portugal: Worldwide income, including foreign pensions, with credit for foreign tax paid. The United Arab Emirates: No personal income tax on individuals, whether the income arises here or abroad.
When do Portugal and the United Arab Emirates treat you as tax resident?
Portugal: Day count, more than 183 days, in any 12-month period. Permanent home, a home kept in conditions showing intent to live there, whatever the day count. The United Arab Emirates: Day count, 183 days of physical presence in any 12-month period. Shorter path, 90 days, for residence-permit holders with a home or a business here. A tax residency test runs separately from the permit that lets you live there, so holding one does not settle the other.
What is the cheapest cited way to live in Portugal or the United Arab Emirates?
Portugal's lowest cited income floor is $1,051 a month on its passive income (rentista) route. The United Arab Emirates' lowest cited income floor is $3,500 a month on its remote work route.
Which grants citizenship sooner, Portugal or the United Arab Emirates?
Portugal naturalises after 10 years of residence. The United Arab Emirates grants citizenship by nomination only (no residence clock to start). Portugal lets you keep your current passport.
Read each dossier in full

Southern Europe
Portugal
Passive-income and remote-work residence, a defined path to a passport, and dual citizenship kept.
- Permanent residence
- 5 years
- IFICI rate
- 20%

Middle East
United Arab Emirates
No personal income tax, long-term Golden Residency, and a remote-work visa, each figure cited to a UAE government source.
- Personal income tax
- 0%
- Golden Residency
- 10 years
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