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Guide · Definitions

Residence is where you live. Domicile is where you belong.

Residence and domicile sound like synonyms, and for tax they are not. Residence is where you actually live now, usually decided by how many days you spend in a country or how strong your ties there are, and it drives which country taxes your income. Domicile is your permanent home, the place the law treats as your long-term base and the one you are presumed to return to. It is far stickier, you can hold only one at a time, and it often decides inheritance and estate tax long after you have moved away. You can be resident in a new country within a year while staying domiciled in your old one for many more.

Updated July 2026

01 · The two statuses

Two statuses, two different tax questions.

Residence

The country where you currently live for tax purposes, usually set by days spent or the strength of your ties.

Tax residence is the here-and-now status. Most countries decide it with a day count, often around 183 days in a year, or with a ties test that weighs your home, family, and work. It can change quickly, sometimes within a single tax year, and it is the status that usually determines which country taxes your income, and whether that means your local income or your worldwide income. Move and settle somewhere new, and you generally become resident there.

Domicile

Your permanent legal home, the place you are treated as belonging to long term and presumed to return to.

Domicile is the long-memory status. You start with a domicile of origin, usually your father's or family home country at birth, and you keep it until you deliberately replace it with a domicile of choice by settling somewhere new with the intent to stay indefinitely. You can hold only one domicile at a time, courts set the bar for changing it high, and it often governs inheritance and estate tax and how certain foreign income is treated. It can follow you for years after you have physically left.

02 · Side by side

What each status decides, question by question.

The trap is assuming they move together. They do not: you can be fully tax-resident abroad while still domiciled at home, which is exactly where estate-tax surprises come from.

QuestionResidenceDomicile
What it meansWhere you live nowWhere you permanently belong
How it is decidedDays present or strength of tiesYour intent and long-term home, judged strictly
How fast it changesQuickly, sometimes within a tax yearSlowly and deliberately, and hard to prove
How many you can haveYou can be resident in more than one country at onceOne at a time
What it mainly drivesIncome tax, and often on worldwide incomeInheritance and estate tax, and some special regimes
03 · The confusions

The gray areas, untangled.

Leaving for tax is two moves, not one

Becoming non-resident ends most income-tax exposure in your old country. It does nothing to your domicile, which can keep your worldwide estate exposed to that country's inheritance tax for years. People who plan only the residence half are often surprised by the domicile half much later.

Domicile is about intent, and it is judged strictly

Changing domicile is not a form you file. It is settling somewhere new with a genuine intention to stay indefinitely, and tax authorities test it against your actual life: where your home, family, and long-term plans point. Keeping a house, a burial plot, or a plan to return home can all pull your domicile back.

Not every country uses the word the same way

Domicile is strongest in common-law systems like the UK, Ireland, and US states, where it carries specific legal weight. Many civil-law countries lean almost entirely on residence and use domicile loosely to mean your registered address. Treat the concept as country-specific, never assume it maps one to one.

Special regimes hang off one or the other

Some countries offer favorable tax treatment tied to being newly resident, and others historically tied breaks to being resident but not domiciled. Which lever a program pulls decides who qualifies, which is why the residence-versus-domicile distinction is the first thing to get straight before chasing any tax incentive.

Keep reading

The neighboring words, settled the same way.

Status sorted? These are the next words that decide your move.

FAQ

Asked constantly, answered plainly.

Anything we did not cover, write us. Real humans answer.

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Can I be resident and domiciled in different countries?

Yes, and it is common for people who move abroad. You can become tax-resident in your new country fairly quickly while your domicile stays in your home country until you deliberately establish a new one. That split is normal, but it means two different countries can have claims on you: one on your income through residence, another on your estate through domicile.

Which one decides how much income tax I pay?

Residence, in most systems. The country where you are tax-resident generally taxes your income, and depending on the country that can mean only income earned locally or your worldwide income. Domicile usually matters less for day-to-day income tax and more for inheritance and estate tax, though a few regimes historically used it for foreign income too. Always check the specific country.

How do I actually change my domicile?

By genuinely settling in a new country with the intention of staying there indefinitely, and by cutting the ties that anchor you to the old one. It is a question of real intent and real life, not a single filing, and authorities judge it strictly. Keeping a home, close family, or a firm plan to return can all keep your old domicile alive, so a domicile change is something to plan and document carefully, ideally with a cross-border tax professional.

Does this vary by country?

Considerably. Domicile is a common-law concept with real legal force in places like the UK, Ireland, and individual US states, while many other countries lean on residence and treat domicile loosely as your registered address. Because the words carry different weight in different systems, this page explains the general distinction, not any one country's rules. It is not tax or legal advice.

If I become non-resident, do I still owe tax to my old country?

Often less, but not always nothing. Ending tax residence usually stops most ongoing income tax in your old country, though some countries still tax certain local-source income and a few apply exit taxes when you leave. And because domicile can persist, your old country may still reach your worldwide estate for inheritance tax long after you are non-resident. The income side and the estate side unwind on different schedules, which is the whole reason to plan them separately.

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