German Tax Residency in 2026: Every Way Germany Can Tax You as a Resident, and How to Leave Cleanly

Status as of 24 October 2026: based on the German Fiscal Code (§§ 8 and 9 AO), the German Income Tax Act (§§ 1, 1a, 32a, 32b, 49 and 50 EStG), the German Foreign Tax Act (§ 2 AStG, and § 6 AStG as amended by the ATAD Implementation Act with effect from 1 January 2022), the Federal Ministry of Finance's administrative guidance on §§ 8 and 9 AO (AEAO), the case law of the Federal Fiscal Court (BFH), the Federal Registration Act, the OECD Model Tax Convention and the double tax treaty between Germany and Cyprus, plus the official residence rules of Spain, the United Kingdom, the United States, Australia, France, Italy and Canada. We will update this guide when the law or official practice changes.

Ask most people how tax residency works and you get one number: 183. Spend more than half the year somewhere and you are resident there. Spend less and you are not. It fits on a napkin, and in plenty of countries it really is the main test.

Germany is not one of those countries. German domestic law contains no 183-day residence rule at all. Instead, it has a whole family of connecting factors, each with its own logic, its own case law and its own traps. Most guides reduce this to "home or six months". That is not wrong, but it is incomplete, and incomplete is exactly where people get hurt. In our work with clients leaving Germany we count seven distinct ways in which Germany can treat you as fully taxable or keep a long arm on your income after you go, plus the treaty layer that decides who wins when two countries claim you.

This guide walks through all of them, from the statute outward. For each one you get the exact legal test, how the Federal Fiscal Court and the tax administration apply it, a worked example, the edge cases that decide real files, and what it means in practice. At the end you will find a checklist and an FAQ. Nothing here is designed to make you afraid of Germany. It is designed so that you understand the rules better than the person reviewing your file, because that is what freedom looks like in practice: knowing exactly where the lines are, and standing clearly on the right side of them.

If you already know you are leaving, read this together with our Germany to Cyprus, step by step guide. That one tells you what to do and in which order. This one tells you why each step matters.

The key points

• There is no 183-day rule in German residence law. The 183-day figure you hear about comes from tax treaties and concerns employment income, not residence.
• Route 1, Wohnsitz (§ 8 AO): a home you have at your disposal and will keep and use. No minimum number of days. Your own key and free access to a home can be enough, even if you spend only a few nights there, even a single night. This route has nothing to do with six months.
• Family Wohnsitz: if your spouse and children keep living in Germany, the tax administration presumes your Wohnsitz is with them, however far away you work.
• Route 2, gewöhnlicher Aufenthalt (§ 9 AO): more than six months of connected presence in Germany, short interruptions ignored, across calendar years, effective from day one. A separate route; it requires no home at all.
• Route 3, extended unlimited liability (§ 1 (2) EStG): German nationals posted abroad by a German public employer, such as diplomats and consular staff, and their households.
• Route 4, unlimited liability on application (§ 1 (3) EStG with § 1a EStG): non-residents who earn at least 90% of their income in Germany, or whose foreign income stays under the basic allowance, can choose to be taxed as residents.
• Route 5, extended limited liability (§ 2 AStG): German citizens moving to a low-tax country while keeping substantial German interests stay taxable on a wider base for ten years.
• Route 6, exit tax (§ 6 AStG): leaving, or even losing Germany's taxing right through a treaty, is treated as a sale of company shares of 1% or more.
• Route 7, the treaty layer (Art. 4 OECD Model): decides which country has priority when both call you resident. It never switches off German domestic liability by itself.
• Abmeldung is evidence, not an exit. Deregistering from your address has no direct tax effect on its own.
• For contrast, limited liability (§ 49 EStG): without any of the above, Germany taxes only German-source income.

Key terms defined

Unbeschränkte Steuerpflicht (unlimited tax liability): you are taxable in Germany on your worldwide income (§ 1 (1) EStG together with § 2 (1) EStG).

Beschränkte Steuerpflicht (limited tax liability): you are not resident, but Germany still taxes certain German-source income listed in § 49 EStG, for example rent from a German flat (§ 1 (4) EStG).

Wohnsitz: a dwelling you have at your disposal under circumstances showing that you will keep and use it (§ 8 AO).

Gewöhnlicher Aufenthalt (habitual abode): the place where you stay under circumstances showing you are not there only temporarily; always assumed after more than six months of connected presence in Germany (§ 9 AO).

Innehaben (having at your disposal): the control over a dwelling that § 8 AO requires. In plain language: you can walk in whenever you want, without asking anyone.

Schlüsselgewalt (the key test): a working term used in German tax practice for that control. Whoever holds the key and free access holds the dwelling. Not to be confused with the family law concept of the same name in § 1357 BGB.

Centre of vital interests: a treaty concept. The country with which your personal and economic relations are closer: family, home life, work, business, assets.

Abmeldung: deregistering your address at the local registration office under § 17 of the Federal Registration Act. A registration act, not a tax act.

Why Germany is not a 183-day country

Most systems start with your body: where were you, and for how many days? Germany starts with your life: where do you live, and where are you settled?

That difference comes straight from the wording of § 1 (1) EStG: individuals who have a Wohnsitz or their habitual abode in Germany are subject to unlimited income tax. There is no day count in that sentence. The only time element in the domestic rules sits in § 9 AO, and even there it is more than six months of connected presence, not 183 days added up across a calendar year.

Where does 183 come from, then? Mainly from tax treaties. The OECD Model uses a 183-day test in the article on employment income, to decide whether salary for work done in another country can be taxed there. Over the years many people merged that rule with the residence test. In Germany they are completely separate.

Worked example. Markus, a software consultant, moves to Lisbon in January. He spends 150 days in Germany that year visiting clients and family. Under a pure day count he would be out. Under German law, the first question is whether he kept a home. If he kept his Munich flat, furnished, with his name on the lease and his things inside, he very likely still has a Wohnsitz and remains fully taxable, whatever his day count. Had he given up the flat, his 150 days, spread over separate trips, would not form a connected stay of more than six months, and he would have been out.

The map: every way Germany can tax you

Before going into detail, here is the full picture in one place. Each card is one connecting factor. Any single one is enough to trigger its consequence.

Routes 1 and 2 are the gateways that create residence in the ordinary sense. Routes 3 and 4 create unlimited liability without any home or stay. Routes 5 and 6 bite precisely because you leave. Route 7 sits above all of them. We take them one by one.

Route 1: Wohnsitz (§ 8 AO), the home you keep

The legal text is one sentence: a person has a Wohnsitz where he has a dwelling at his disposal under circumstances suggesting that he will keep and use it. The tax administration and the courts read three ingredients into that sentence, and each one has been litigated many times.

Ingredient 1: a dwelling

A dwelling means stationary rooms that are suitable for living in on a lasting basis, at least in the sense of a modest place to stay. The administration's guidance is precise: because "living" is more than "staying" or "spending the night", a merely short-term, temporary or makeshift place to sleep does not qualify. On the other hand, the dwelling does not need its own kitchen or a self-contained bathroom, and it is enough that it is equipped with the simplest means. It does not matter whether the furniture belongs to you or to the landlord (BFH, III R 95/68).

So a furnished room in your parents' house qualifies. So does a small studio, a holiday flat, a room in a shared flat or a house you inherited. A hotel room booked for a few nights does not. A sofa offered for one night does not.

A second home does not need to match your main home in size or comfort. The administration says the limited purpose of a secondary home must be respected. A one-room flat near your old office can be a Wohnsitz even if your villa is in Limassol.

Ingredient 2: having it at your disposal (Innehaben)

The dwelling must be available to you, objectively, at any time and whenever you wish, as a place to stay. Ownership is irrelevant. Renting, borrowing, living rent-free with family, or simply having a key and permission can all count. What matters is real control.

This is the core of what tax practice calls the key test. Whoever holds the key and can come and go freely holds the dwelling. Whoever has to ring the bell and be let in is a guest.

The courts have drawn the boundary in both directions:

• Guests do not have a Wohnsitz. Someone who stays, even regularly, in the home of a relative or acquaintance does not create a Wohnsitz there (BFH, 24 October 1969, IV 290/64), unless that home is at the same time his own home, as with a family home or a flat share.
• Standby rooms with restrictions are not enough. If agreements between the users restrict your use so that you cannot use the room whenever you want, you do not have it at your disposal (BFH, 13 November 2013, I R 38/13).
• Your own key and your own room change the picture. If the room is yours, your things are in it and you can come whenever you like, you are no longer a guest, even in a house that belongs to someone else.

Ingredient 3: circumstances showing you will keep and use it

This is the forward-looking element, and it is judged on objective facts, not on what you say you intend. The administration's guidance is blunt: if you have a dwelling that, objectively, is to be kept and used, your wish not to have a Wohnsitz there is irrelevant (BFH, II R 139/87). The question is assessed for each tax year on the overall circumstances (BFH, III R 38/14).

Typical facts the tax office looks at: furniture and personal belongings, a running lease or ownership, utilities and internet in your name, mail delivered there, a car registered there, your family living there, and the pattern of your trips back.

The use must be use for living. A dwelling used only as an office, shop or storage room is not a Wohnsitz (BFH, III R 21/12). And use limited to mere visits, short holiday stays or occasional short stays for recreation or to manage the property does not satisfy the test (BFH, I R 50/12). That is the dividing line: a home you live in when you are there, versus a place you visit.

No minimum number of days

Now the part that surprises almost everyone. There is no minimum number of days. The guidance on § 8 AO says, citing the Federal Fiscal Court, that it is not necessary for you to stay in the dwelling for a minimum number of days or weeks per year (BFH, 19 March 1997, I R 69/96). The use for living need be neither regular nor long. In posting cases, the guidance adds, a Wohnsitz can even exist in a calendar year in which you do not use the dwelling at all, provided the overall picture makes it likely that you will continue to live there in future.

This is ENCC's working rule, and we apply it without exception: the key route has no day threshold. If the home is genuinely yours to use, with your key, your room and your belongings, then a few nights a year, or even a single night, does not protect you. Never assume that staying under six months keeps you out of route 1. Six months is the test of route 2, a completely different gateway.

Where does the six-month figure appear in route 1, then? Only as a yardstick for the forward-looking time element. The guidance says that if you take a dwelling from the outset intending to keep and use it only temporarily, for up to six months, you do not create a Wohnsitz there (BFH, 30 August 1989, I R 215/85). That rule protects people who arrive in Germany for a short project. It does nothing for people who leave Germany and keep their old home.

Several homes, and the home does not have to be your centre of life

Two more points from the case law matter for anyone with homes in two countries. First, you can have several Wohnsitze at once, in Germany and abroad. Second, the German home does not have to be your centre of life, and it does not have to be where you work (BFH, I R 69/96; BFH, III R 44/12). In 2018 the Federal Fiscal Court overturned a lower court that had held otherwise: a person with a home in Germany and his centre of life abroad is still subject to unlimited German tax liability (BFH, 23 October 2018, I R 74/16). Only a treaty can then decide which country has priority.

The guidance on stays abroad says the same in practical terms: whoever sets up a home abroad still has a German Wohnsitz if he keeps the German dwelling under circumstances showing he will keep and use it. Even letting or subletting the German home temporarily, for up to six months, during a stay abroad can leave the Wohnsitz in place if the plan is to move back in soon after returning.

What ends a Wohnsitz is when the dwelling is left behind as pure asset management: if you intend to sell it or let it long-term and actually do so within a foreseeable time, the Wohnsitz ends when you leave.

The family Wohnsitz: spouse and children in Germany

This is the trap that catches commuters and expatriate executives most often. The administration states that a spouse or civil partner who is not permanently separated generally has his Wohnsitz where the family lives (BFH, 6 February 1985, I R 23/82), and that this presumption usually applies however far apart the spouses live. A German dwelling used only occasionally by one spouse is therefore still a Wohnsitz, even if he spends most of his time abroad.

Minor children generally share their parents' Wohnsitz, because as members of the household they have a derived right to use the parents' home. At the same time, the Wohnsitz question is examined separately for each person (BFH, III R 77/09). A family can therefore be split: one spouse resident, the other not, depending on the facts.

The reverse also holds. After a family has moved abroad for good, merely keeping a German dwelling does not by itself maintain a Wohnsitz if it is used only briefly for holidays or visits (BFH, VI R 89/00). The same applies to a dwelling made available free of charge by third parties such as parents (BFH, VI R 64/98). In these cases the decisive facts are again key, room, belongings and pattern of use.

Posted employees

For employees sent abroad, the guidance contains a rebuttable presumption: if you keep your German home, it remains usable and its furnishings allow it to serve as a place to stay at any time, a German Wohnsitz is presumed (BFH, I R 8/94). If your family goes with you on the posting but the family home is kept for the duration and could be used at any time, the family Wohnsitz continues. The burden of rebutting the presumption is on you.

Worked examples for route 1

Claudia, the flat kept "just in case". Claudia moves to Cyprus in March. She keeps her Hamburg flat furnished, keeps paying rent and flies back twice a year for a week. She very likely still has a German Wohnsitz. She is still fully taxable in Germany on her Cyprus income, and her only protection now is the Germany-Cyprus treaty. Had she ended the lease, or let the flat long-term to a stranger, the question would not arise.

Lukas, the old room at his parents'. Lukas moves to Dubai. His old room at his parents' house in Stuttgart stays as it was, with his clothes, books and his own key. He visits a few nights a year and lets himself in. There is no minimum stay. With his own key, his room and his belongings, that room can be his Wohnsitz, even with a few nights, even with a single night. If he hands back the key, clears the room and stays as a guest when his parents invite him, he is a visitor.

Andrei, the commuter with a family in Cologne. Andrei works for a Cyprus company and spends Monday to Friday in Limassol. His wife and their two children live in the family flat in Cologne. He comes home one weekend a month. The family Wohnsitz presumption applies: his Wohnsitz is with his family, regardless of the distance. Germany treats him as unlimited taxable, and only the treaty can shift priority.

Nina, the friend's spare room. Nina has moved to Portugal. A friend in Berlin gives her a key: "the spare room is yours". She leaves clothes there and stays one weekend a year. She owns and rents nothing in Germany and has deregistered. If the room is genuinely at her disposal at any time and she uses it to live in when she comes, the key can be enough. A single weekend does not protect her. If she has no key, no room of her own and only stays when invited, she is a guest.

Practical consequences of route 1

When you leave Germany, end the lease or let the dwelling long-term to a third party, clear out your belongings, hand back every key to every dwelling you will not live in, cancel utilities in your name and keep the paperwork that shows the date. If you need a bed on visits, use hotels or short-term rentals and keep the invoices. That is not paranoia. It is a well-kept file.

A short aside: in German family law, "Schlüsselgewalt" means something entirely different: the power of either spouse to enter into everyday transactions that bind both spouses (§ 1357 BGB). It has nothing to do with tax. In tax practice the word refers to the key and the control over a dwelling under § 8 AO.

Route 2: gewöhnlicher Aufenthalt (§ 9 AO), the six-month rule

The second gateway needs no home at all. It needs your presence. And it is a separate route: you can be caught by route 1 with no six months, and by route 2 with no home.

§ 9 AO says you have your habitual abode where you stay under circumstances showing that you are not there only temporarily. Then it adds a hard rule: in Germany, a connected stay of more than six months is always treated as a habitual abode, from the beginning. Short interruptions are disregarded. The administration calls this an irrebuttable presumption.

What "connected" means

Unlike day-counting tests, this asks whether your stay hangs together as one period. The guidance lists typical short interruptions that do not break it: trips home to the family, annual leave, longer home leave, a cure or recreation, and business trips. The question is whether there is one stay or several separate stays, and a single stay exists if it was meant to continue and the interruption was short.

It can span two calendar years

The six months do not need to fall in one tax year. Arrive on 1 October, stay until 15 April, and you have been in Germany for more than six months. You are resident from 1 October, and both years are affected.

It can arise in less than six months

This is the edge case many people miss. The guidance says a habitual abode can arise with a stay of less than six months if several stays follow each other, are linked in substance, and you intended from the start to stay in Germany not only temporarily (BFH, VI 156/59 U; BFH, I R 210/75). Six months is the point at which the presumption becomes automatic, not the earliest point at which you can be caught.

The holiday exception

The automatic six-month rule does not apply if the stay is taken exclusively for visits, recreation, a cure or similar private purposes and does not last longer than one year. A long sabbatical in Germany with family is the classic case. Work, business and any income-earning activity take you out of the exception.

Commuters, cross-border workers and weekly returners

The guidance draws practical lines:

• If you only carry out your work in Germany while living in a dwelling abroad, you do not have a habitual abode in Germany (BFH, I R 225/82). Cross-border commuters generally have their habitual abode in their state of residence.
• The same applies to entrepreneurs and freelancers who regularly return to their family home abroad after work (BFH, I R 23/82).
• But if you regularly sleep at your German place of work on working days and go home abroad only at weekends, on holidays and on leave, you have your habitual abode at the German place of work.
• A habitual abode cannot exist in several places at the same time.

How a habitual abode ends

The guidance says a habitual abode in Germany is given up when you live abroad for a connected period of more than six months, unless special circumstances show that your ties to Germany continue. The decisive question is whether you have moved your personal and business centre of life abroad and finally given up the intention to return. Family, professional and social ties are the indicators. A connected stay abroad of more than one year generally means the habitual abode in Germany has been given up.

Worked examples for route 2

Elena, the project in Frankfurt. Elena, a Romanian designer living in Cyprus, takes a project in Frankfurt. She rents a serviced apartment from 15 September to 31 March, with two weeks home at Christmas. She never registers. Her stay is more than six months with a short interruption. She has a habitual abode in Germany from 15 September, and probably a Wohnsitz too, because the apartment was hers to use the whole time. Germany can tax her worldwide income for that period, subject to the treaty.

Felix, the long sabbatical. Felix lives in Cyprus and spends eight months at his family's lake house in Bavaria, purely to rest after selling his company. He does no work. The six-month presumption does not apply because the stay is purely private and lasts under one year. But route 1 still needs checking: if the lake house is at his disposal and he keeps it, it may be a Wohnsitz regardless.

Sofia, the weekly commuter. Sofia's family lives in Salzburg. She works in Munich, sleeps in a small company flat from Monday to Thursday and goes home every weekend. She has her habitual abode in Munich, and the company flat is probably also a Wohnsitz.

Route 3: extended unlimited liability (§ 1 (2) EStG), the public servant abroad

The third route is rarely mentioned in expat guides, yet it applies to thousands of people. Under § 1 (2) EStG, German nationals are also subject to unlimited tax liability if they have neither a Wohnsitz nor a habitual abode in Germany, but are in a service relationship with a German legal entity under public law and receive pay from a German public fund.

This covers, typically, diplomats and consular staff at German missions, and other officials and public employees posted abroad by the federal government, a state or another public law body. Members of their household are included if they are German nationals or have no income, or only income that is taxable exclusively in Germany.

There is one condition that keeps the rule fair: it applies only if the host state taxes the person only to an extent similar to limited tax liability. In other words, if the host country does not tax the posted official as a full resident (as is usual for diplomats under the Vienna conventions), Germany keeps him fully taxable at home. Combined with § 1a (2) EStG, a spouse in such a household can also be included for joint assessment purposes.

Worked example. Katharina, a German national, is posted by the Foreign Office to the embassy in Nicosia with her husband, who has no income of his own. They give up their flat in Bonn. They have no Wohnsitz and no habitual abode in Germany. Because Cyprus taxes them only in the way it taxes non-residents, both remain unlimited taxable in Germany under § 1 (2) EStG.

Practical consequence. Public service abroad is not an exit from German tax. If you move from a public posting into private life abroad, the end of the posting is the date to plan around.

Route 4: unlimited liability on application (§ 1 (3) and § 1a EStG)

The fourth route works in the opposite direction: it is a door you open yourself. Under § 1 (3) EStG, a person with neither a Wohnsitz nor a habitual abode in Germany is, on application, treated as unlimited taxable to the extent he has German income within the meaning of § 49 EStG.

The conditions are strict and numeric:

• At least 90% of your income in the calendar year is subject to German income tax, or
• the income not subject to German tax does not exceed the basic allowance under § 32a (1) EStG, which is EUR 12,348 for 2026. This amount is reduced where appropriate under the conditions in your country of residence.
• Your foreign income must be proven by a certificate from the foreign tax authority.
• German income that a treaty allows Germany to tax only at a limited rate counts as not subject to German tax for this test.

Why would anyone choose this? Because limited taxpayers are treated less generously. Under § 50 (1) EStG, a limited taxpayer generally does not get the basic allowance in full, and many personal deductions are excluded. Opting in restores them.

§ 1a EStG adds benefits for nationals of EU and EEA states. A spouse who is not permanently separated and has no Wohnsitz or habitual abode in Germany can, on application, be treated as unlimited taxable for joint assessment, with the income of both spouses combined for the 90% test and the basic allowance doubled. Certain maintenance payments to a former spouse in another EU or EEA state can also be deducted.

Worked example. Ioana is a Romanian national living in Austria, across the border from Passau. She earns EUR 60,000 a year as an employee in Germany and EUR 2,000 of interest in Austria. More than 90% of her income is German. On application she is taxed as a German resident on her German income, gets the full basic allowance and, if her husband lives with her in Austria, joint assessment.

Practical consequence. For people leaving Germany, this route is usually not the goal. But it matters in two situations: cross-border workers, and people who keep large German income after moving. If you plan to rely on it, collect the foreign tax certificate early.

Route 5: extended limited liability (§ 2 AStG), the ten-year tail

Leaving Germany properly ends your unlimited tax liability. In some cases, Germany still keeps a longer arm for ten years. This is extended limited tax liability under § 2 AStG.

It applies only if all of these are true:

• You are a German citizen and were unlimited taxable under § 1 (1) EStG for at least five years in total within the ten years before the end of your unlimited liability.
• You move to a low-tax country, or to no country at all. Low tax means, in short, that the foreign income tax on a taxable income of EUR 77,000 for an unmarried person is more than one third lower than German tax would be, or that you benefit from a preferential regime that can substantially reduce your tax. In both cases you can escape by proving you actually pay at least two thirds of what German tax would be.
• You keep substantial economic interests in Germany, for example a German business or partnership interest, a § 17 EStG shareholding in a German company, German-source income above 30% of your total or EUR 62,000, or German-source assets above 30% or EUR 154,000 (§ 2 (3) AStG).
• The extended income is more than EUR 16,500 in the year.

If it applies, Germany taxes not only the usual German-source income but all income that would not count as foreign income under § 34d EStG, for ten years after the end of the year you left.

For people moving to Cyprus, the preferential-regime branch is the one to check, because the Cyprus Non-Dom regime can be argued to be such a regime. No German statute, court decision or official list settles this either way. Whether it bites depends on your German interests and your numbers. It is planning work, not a reason to stay.

Worked example. Sabine, a German citizen, moves to Cyprus as a Non-Dom. She keeps a German GmbH that pays her dividends and a portfolio of German rental flats. Her German interests are substantial, and her extended income is well above EUR 16,500. A tax adviser must check § 2 AStG for her, year by year, for the next ten years. Had she restructured before leaving, the outcome might be very different.

Route 6: Wegzugsteuer (§ 6 AStG), the exit tax on company shares

The other exit rule is the one people have heard of. Since 1 January 2022, § 6 AStG works as follows.

If you hold shares within the meaning of § 17 EStG, that is at least 1% of a corporation at any time within the last five years (a GmbH, an AG, a foreign Ltd), Germany treats three events as a sale at market value:

1. Ending unlimited liability by giving up your Wohnsitz or habitual abode.
2. A gift or inheritance of the shares to a person who is not unlimited taxable.
3. Any exclusion or restriction of Germany's right to tax the gain on the shares.

The third trigger is the one that surprises people. You do not have to leave Germany physically. If you keep a German Wohnsitz but become treaty resident in another country under the tie-breaker, Germany may lose its right to tax the gain, and that loss can itself trigger the exit tax.

Key details:

• Seven of twelve years. The rule applies if you were unlimited taxable for at least seven years within the last twelve before the event.
• Instalments. You can apply to pay the tax in seven equal annual instalments, interest-free, usually against security. The first is due one month after the assessment, the others on 31 July of the following years. Since 2022, the earlier interest-free unlimited deferral for moves within the EU no longer exists.
• Acceleration. The outstanding tax becomes due if you miss an instalment, become insolvent, sell or transfer the shares, or receive distributions worth more than a quarter of the value.
• Coming back. If your absence was only temporary and you become unlimited taxable again within seven years (extendable by up to five years on application), the tax can be cancelled, provided the shares were not sold, transferred or contributed, no distributions above one quarter of the value were made, and Germany's taxing right is restored at least to its former extent.

Worked example. Jan owns 100% of a German software GmbH worth EUR 2 million, which he founded with EUR 25,000. He moves to Cyprus in December. Germany treats him as having sold the shares for EUR 2 million. The gain is taxed under the partial-income method. He can spread the tax over seven years with security. The timing of the move and the valuation date are where the planning happens, which is why we wrote a separate piece on exit tax at year end.

Edge case: the hidden trigger. Mihai holds 30% of a German GmbH. He moves his family and life to Cyprus but keeps a small flat in Munich. Under route 1 he is still unlimited taxable, so he thinks § 6 AStG cannot apply. But under the treaty, Cyprus becomes his state of residence, and the gain on his shares may now be taxable only in Cyprus. That restriction of Germany's taxing right is itself a trigger under § 6 (1) No. 3 AStG.

Route 7: when two countries want you, the treaty tie-breaker

Here is a situation that happens all the time. You moved to Cyprus and you are resident there under Cyprus rules. But you kept your German flat, so Germany also says you are resident. Who wins?

The answer sits in the double tax treaty, in the article on residence (Article 4 of the OECD Model and of the Germany-Cyprus treaty). It applies a sequence of tests and stops at the first one that gives a clear answer:

Three points matter in practice.

The treaty does not switch off German law. You remain unlimited taxable under § 1 EStG. The treaty only decides who has the main right to tax which income. You still have German filing duties, and the Finanzamt will still want to see your facts.

Germany keeps certain rights anyway. German real estate income, German business income through a permanent establishment and other items stay taxable in Germany under the treaty's distributive rules, whatever your residence.

The tie-breaker can trigger the exit tax. As explained under route 6, becoming treaty resident elsewhere can restrict Germany's right to tax share gains, which § 6 (1) No. 3 AStG treats as a sale.

Worked example. Thomas lives in Limassol with his wife and children, runs his business from there and has a Cyprus tax residence certificate. He also kept a small flat in Düsseldorf that he uses for a week every quarter. Germany: Wohnsitz, so unlimited taxable. Cyprus: resident. Treaty: permanent home in both countries, so the test moves to the centre of vital interests. His family, his business and his daily life are in Cyprus, so Cyprus wins. Germany keeps the right to tax German-source items. But Thomas must prove all this, every year, and if he holds shares, § 6 AStG needs checking. The simpler solution, if he can, is not to keep the Düsseldorf flat at all.

Abmeldung is not an exit

When you move out, you must deregister at the local registration office within two weeks (§ 17 (2) Federal Registration Act). Most people think this is the moment they stop being German taxpayers. It is not.

The guidance on § 8 AO says that the mere intention to set up or give up a Wohnsitz, and registration or deregistration with the authorities, have no direct tax effect on their own (BFH, III R 95/68). Registration and deregistration are indications, nothing more. What counts are your actual living circumstances.

It works both ways. People who forgot to deregister but really moved abroad can still prove they gave up their Wohnsitz. People who deregistered but kept a flat, a room or a key can still have one.

What to do instead. Deregister, yes, because you must. But also: end your lease or let the home long-term to a third party, remove your belongings, return keys, cancel utilities in your name, inform the Finanzamt in writing, file the final German return for the year you leave and keep every document that shows the date your German home ended.

The year you leave: split-year consequences

In the year of departure you are unlimited taxable for part of the year and, possibly, limited taxable for the rest. Two rules shape the bill.

First, under § 32b (1) No. 2 EStG, foreign income earned in the part of the year in which you were not unlimited taxable can still raise the tax rate applied to your German taxable income for the resident period (progression clause). A high income abroad after you leave can therefore make the German part more expensive.

Second, the exit tax under route 6 is assessed for the year in which unlimited liability ends. Its gain is part of that year's income.

Worked example. Paula leaves Frankfurt on 30 June. From January to June she earns EUR 50,000 in salary in Germany. From July to December she earns EUR 70,000 in Cyprus. Germany taxes the EUR 50,000, but at the rate that would apply to EUR 120,000. Planning the date of the move, and the timing of bonuses, matters.

For contrast: limited tax liability (§ 49 EStG)

If none of the routes applies, you are not out of German tax entirely. You are a limited taxpayer under § 1 (4) EStG, taxable only on German-source income as defined in § 49 EStG. The main categories:

• Income from a German business or permanent establishment.
• Income from self-employed work carried out or exploited in Germany.
• Employment income for work carried out or exploited in Germany.
• Rent from German real estate and gains from selling it.
• Gains on shares of 1% or more in a company with its seat or management in Germany (§ 49 (1) No. 2 (e) EStG).
• Certain German capital income.

Limited taxpayers generally get fewer deductions and only part of the personal allowances (§ 50 EStG). For many, tax on German income is settled by withholding. That is why the § 1 (3) option exists.

The difference between unlimited and limited liability is the difference between "Germany taxes everything you earn anywhere" and "Germany taxes the German slice". For someone building a life and a business abroad, that difference is the whole point of the move.

Edge cases that decide real files

• The inherited house. You inherit your parents' house in Germany after leaving. If you keep it furnished and ready for your use, it can become a Wohnsitz. If you sell it or let it long-term within a foreseeable time, it is asset management.
• The six-month sublet. Subletting your German flat for up to six months while you test life abroad does not end the Wohnsitz if you plan to move back. Only a long-term letting or a sale does.
• The house-sitter. A friend lives in your flat while you are abroad, and you keep a key and a room. You still have the flat at your disposal.
• The holiday flat. A holiday flat in the Alps used a few weeks a year can be a Wohnsitz if it is at your disposal, furnished for your use and kept for you. Use limited to short holiday stays is the weak point the courts look at, so the facts of each case matter.
• The returning spouse. One spouse moves to Cyprus first; the other stays with the children until the school year ends. Until the family moves, the family Wohnsitz presumption keeps the first spouse resident.
• Back-to-back projects. Several short German projects, linked in substance and planned from the start, can create a habitual abode even without six months in one stretch.
• Students and children. A minor child studying abroad usually keeps the parents' Wohnsitz. An adult child is assessed separately.
• Nationality does not decide. German citizenship alone never makes you unlimited taxable under routes 1 and 2. It matters only for routes 3 and 5 and as the fourth step of the tie-breaker.

Other countries with residency rules that surprise people

Germany is not alone. Several countries go beyond the simple 183-day count. If you live in, come from or plan to spend time in any of these, know their rule before you arrive.

Spain: the family presumption

Under Article 9 of the Spanish Personal Income Tax Law, you are resident if you spend more than 183 days in Spain in a calendar year (sporadic absences count as days in Spain unless you prove tax residence elsewhere), or if Spain is the main centre or base of your activities or economic interests. On top of that, the law presumes you are resident if your spouse, from whom you are not legally separated, and your minor children who depend on you, live habitually in Spain. You can rebut the presumption, but you carry the burden.

Simple example. Paul works from Dubai all year, but his wife and two young children live in Marbella. Spain presumes he is Spanish resident.

United Kingdom: the Statutory Residence Test

The UK uses a statutory test with three layers. First, automatic overseas tests (for example, fewer than 16 days in the UK if you were resident in one of the three previous years). Then automatic UK tests (183 days or more; your only home in the UK; full-time work in the UK). If none of those settles it, the sufficient ties test counts your ties: family, accommodation, substantial work, 90 days in either of the two previous years, and for leavers the country tie. The more ties you have, the fewer days you can spend in the UK. A leaver with three ties becomes resident with as few as 46 days.

Simple example. Sarah left London, but her husband still lives there, she keeps access to the family flat and she works in the UK 45 days a year. With those ties, even 50 days in the UK can make her resident.

United States: citizenship-based taxation

The US taxes its citizens and green card holders on their worldwide income wherever they live. Moving abroad does not end that. There are relief tools (the foreign earned income exclusion, foreign tax credits, treaties), but the filing duty remains. For non-citizens, the substantial presence test counts all days in the current year, a third of the days in the year before and a sixth of the year before that; 183 weighted days (with at least 31 in the current year) can make you resident.

Simple example. A Romanian-American dual citizen living in Cyprus still files a US return every year.

Australia: the domicile test

Australia's law has four tests. Besides the ordinary "resides" test and a 183-day test, the domicile test treats you as resident if your domicile is in Australia, unless the tax office is satisfied that your permanent place of abode is outside Australia. Domicile is a legal concept that sticks: an Australian who leaves without settling permanently elsewhere can remain resident for a long time.

France: foyer and centre of interests

Under Article 4 B of the French Tax Code, you are resident if your household (foyer) or principal place of stay is in France, or you carry out your main professional activity in France, or your centre of economic interests is in France. Any one test is enough. If your spouse and children stay in France, the foyer test often catches you even if you work abroad.

Italy: registration, domicile and parts of days

Italy reformed its rules with effect from 2024. You are resident if, for most of the tax year (183 days, counting fractions of days), you are registered in the Italian population register, or have your residence or domicile in Italy, or are physically present in Italy. Domicile now means the place where your personal and family relations mainly develop. Registration works as a presumption you can rebut with evidence. A single afternoon in Italy now counts as a day.

Canada: residential ties

Canada has no single statutory day rule for ordinary residence. The Canada Revenue Agency looks at residential ties: significant ties (a home, a spouse or partner, dependants in Canada) and secondary ties (personal property, social ties, bank accounts, a driving licence, health insurance). If you keep a home and a spouse in Canada, you will usually remain resident. Separately, if you are not otherwise resident, sojourning in Canada for 183 days or more in a calendar year makes you a deemed resident for the whole year.

What to watch out for: your checklist

Use this before, during and after a move.

1. Your homes. List every dwelling in Germany you can enter whenever you want: owned, rented, inherited, family, friends. End, sell, let long-term to a third party or hand back the key for each one you will not live in.
2. Your keys. No "my room" at your parents' house with your things in it. No spare key to a friend's flat as your permanent base. Hotels or short rentals for visits, with receipts. Remember: no minimum days applies to the key route.
3. Your family. If your spouse and children stay in Germany, you are presumed to have your Wohnsitz with them. Plan the family move together with your own.
4. Your days. Keep a travel diary with proof. Avoid any connected stay in Germany of more than six months, and beware of linked short stays planned from the start.
5. Your employer. Public service abroad keeps you unlimited taxable under § 1 (2) EStG.
6. Your German income. If 90% of your income stays German, check whether opting in under § 1 (3) EStG helps you.
7. Your shares. Holding 1% or more of any company? Check § 6 AStG, including the treaty trigger, before you set the moving date.
8. Your German interests. Keeping a German business, large German assets or German income as a German citizen moving to a low-tax country? Check § 2 AStG for the next ten years.
9. Your treaty position. Get a tax residence certificate in your new country and document your centre of vital interests.
10. Your paperwork. Deregister, but do not stop there. Inform the Finanzamt in writing and file the final return.
11. Your new country. Make sure you actually become resident there. Leaving one country without arriving in another is the weakest position of all.
12. Other countries' counts. Know the rule of every country where you spend time: midnights and ties in the UK, fractions of days in Italy, weighted days in the US, the family presumption in Spain, the foyer in France.
13. Your passport. US citizen or green card holder? You file in the US wherever you live.
14. Your file. Keep everything for at least ten years. In tax matters the question is never only "did you do it?" but "can you prove it?"

FAQ

Does Germany have a 183-day rule?

Not in its residence rules. Germany uses the Wohnsitz (§ 8 AO) and the habitual abode after more than six months of connected presence (§ 9 AO), plus the special routes in § 1 (2) and (3) EStG. The 183-day test in treaties concerns employment income.

How many ways can Germany treat me as fully taxable?

Four create unlimited liability: Wohnsitz, habitual abode, extended unlimited liability for public servants abroad (§ 1 (2) EStG) and unlimited liability on application (§ 1 (3) EStG). Two more keep a long arm after you leave: § 2 AStG and § 6 AStG. The treaty decides priority between countries.

Can a key make me a German tax resident with only one night in Germany?

Yes, it can. There is no minimum number of days for a Wohnsitz (BFH, I R 69/96). If you have your own key and the home is at your disposal and kept for your use, a few nights, or even a single night, can be enough. Staying as a guest who is let in is not.

My wife and children stay in Germany while I work abroad. Am I still resident?

Very likely. The administration presumes that a spouse who is not permanently separated has his Wohnsitz where the family lives, regardless of distance (BFH, I R 23/82). Only the treaty tie-breaker can then shift priority.

Is deregistering (Abmeldung) enough to stop being taxable in Germany?

No. It is an indication, not proof. What counts is that you no longer have a home at your disposal in Germany and no longer stay there for more than six months.

Does the six-month rule reset on 1 January?

No. A connected stay of more than six months can run across two calendar years. Short interruptions do not break it.

If I am resident in Cyprus and in Germany, which country wins?

The Germany-Cyprus treaty decides with the tie-breaker: permanent home, centre of vital interests, habitual abode, nationality, mutual agreement. Germany may still tax German-source income, and § 6 AStG may apply to shares.

When does the exit tax apply?

When you end unlimited liability, gift shares to a non-resident or Germany loses its taxing right, and you hold at least 1% of a corporation, having been unlimited taxable for at least seven of the last twelve years. The tax can be paid in seven annual instalments.

Next steps

If you are planning to leave Germany, read Germany to Cyprus, step by step, then Leaving a high-tax country for Cyprus and Year-end exit tax and Cyprus. For the difference between residence permits and tax residence, read Compliance residency vs tax residency.

Sources

• German Fiscal Code, § 8 AO (Wohnsitz): https://www.gesetze-im-internet.de/ao_1977/__8.html
• German Fiscal Code, § 9 AO (gewöhnlicher Aufenthalt): https://www.gesetze-im-internet.de/ao_1977/__9.html
• German Income Tax Act, § 1 EStG: https://www.gesetze-im-internet.de/estg/__1.html
• German Income Tax Act, § 1a EStG: https://www.gesetze-im-internet.de/estg/__1a.html
• German Income Tax Act, § 32a EStG (basic allowance 2026): https://www.gesetze-im-internet.de/estg/__32a.html
• German Income Tax Act, § 32b EStG (progression clause): https://www.gesetze-im-internet.de/estg/__32b.html
• German Income Tax Act, § 49 EStG: https://www.gesetze-im-internet.de/estg/__49.html
• German Income Tax Act, § 50 EStG: https://www.gesetze-im-internet.de/estg/__50.html
• German Foreign Tax Act, § 2 AStG: https://www.gesetze-im-internet.de/astg/__2.html
• German Foreign Tax Act, § 6 AStG: https://www.gesetze-im-internet.de/astg/__6.html
• Federal Registration Act, § 17 BMG: https://www.gesetze-im-internet.de/bmg/__17.html
• German Civil Code, § 1357 BGB: https://www.gesetze-im-internet.de/bgb/__1357.html
• Federal Ministry of Finance, AEAO zu § 8 AO (with the BFH decisions cited there): https://ao.bundesfinanzministerium.de/ao/2025/Abgabenordnung/Erster-Teil/Zweiter-Abschnitt/Paragraf-8/ae-8.html
• Federal Ministry of Finance, AEAO zu § 9 AO (with the BFH decisions cited there): https://ao.bundesfinanzministerium.de/ao/2025/Abgabenordnung/Erster-Teil/Zweiter-Abschnitt/Paragraf-9/ae-9.html
• Federal Fiscal Court, I R 74/16 (23 October 2018), Wohnsitz despite centre of life abroad: https://www.bundesfinanzhof.de/de/entscheidung/entscheidungen-online/detail/STRE201950049/
• Federal Fiscal Court, I R 38/13 (13 November 2013), standby rooms: https://www.bundesfinanzhof.de/de/entscheidung/entscheidungen-online/detail/STRE201450243/
• Double tax treaty Germany and Cyprus (Federal Ministry of Finance): https://www.bundesfinanzministerium.de/Content/DE/Standardartikel/Themen/Steuern/Internationales_Steuerrecht/Staatenbezogene_Informationen/Laender_A_Z/Zypern/2011-11-07-Zypern-Abkommen-DBA-Gesetz.pdf?__blob=publicationFile&v=1
• OECD Model Tax Convention, Article 4: https://www.oecd.org/en/publications/model-tax-convention-on-income-and-on-capital-condensed-version-2017_mtc_cond-2017-en.html
• Spain, Law 35/2006 on Personal Income Tax, Article 9 (BOE): https://www.boe.es/buscar/act.php?id=BOE-A-2006-20764
• United Kingdom, HMRC RDR3 Statutory Residence Test guidance: https://www.gov.uk/government/publications/rdr3-statutory-residence-test-srt
• United States, IRS, U.S. citizens and resident aliens abroad: https://www.irs.gov/individuals/international-taxpayers/us-citizens-and-resident-aliens-abroad
• United States, IRS, substantial presence test: https://www.irs.gov/individuals/international-taxpayers/substantial-presence-test
• Australia, ATO, your tax residency (residency tests): https://www.ato.gov.au/individuals-and-families/coming-to-australia-or-going-overseas/your-tax-residency
• France, BOFiP BOI-IR-CHAMP-10 (Article 4 B CGI, tax domicile): https://bofip.impots.gouv.fr/bofip/1911-PGP.html/identifiant=BOI-IR-CHAMP-10-20160728
• Italy, Agenzia delle Entrate, tax residence of individuals: https://www.agenziaentrate.gov.it/portale/regole-generali-per-persone-fisiche
• Canada, CRA Income Tax Folio S5-F1-C1, determining residence status: https://www.canada.ca/en/revenue-agency/services/tax/technical-information/income-tax/income-tax-folios-index/series-5-international-residency/folio-1-residency/income-tax-folio-s5-f1-c1-determining-individual-s-residence-status.html

Verified on 24 October 2026.

Cover photo: "Romania Transfagarasan" by Dariusz Grosa, Wikimedia Commons, CC0 1.0 (https://commons.wikimedia.org/wiki/File:Romania_Transfagarasan.jpg), cropped.