Germany's 183-day rule and 'center of vital interests' test
Germany determines tax residency by domicile (Wohnsitz), habitual abode (gewöhnlicher Aufenthalt), or the 183-day test under treaties. Here's how each works for expats and remote workers.
Germany taxes residents on worldwide income at progressive rates up to ~47.5%. Becoming a German tax resident takes less than most people think, domicile (Wohnsitz) or habitual abode (gewöhnlicher Aufenthalt) can trigger residency without crossing 183 days. Treaties may add a separate 183-day test that's worth understanding.
Germany's residency tests
Under § 8 and § 9 of the German Fiscal Code (Abgabenordnung, AO), you are unlimited tax liable (residency) if either:
- Wohnsitz (domicile): you maintain a dwelling in Germany under circumstances that indicate you'll keep and use it.
- Gewöhnlicher Aufenthalt (habitual abode): you stay in Germany for more than 6 consecutive months (interruptions of short duration don't break the count).
The Wohnsitz test has no day-count threshold. Renting an apartment in Berlin and using it occasionally can establish Wohnsitz, even with under 183 German days. The habitual-abode test is the closest thing to a 183-day rule.
The treaty 183-day rule (for employment income)
Where Germany has a tax treaty with your home country, the 183-day rule appears in the dependent personal services article. Employment income earned while working in Germany is taxable in Germany if any of these are true:
- You are present in Germany for more than 183 days in a 12-month period (or calendar year, depending on the treaty).
- Your employer is a German resident or has a permanent establishment in Germany.
- Your remuneration is borne by a German permanent establishment.
If none apply, your home country retains primary taxing rights. This is the 'remote worker treaty test', and the 183-day count is the most common trigger.
What counts as a German day
- Any physical presence on a calendar day counts.
- Days of arrival and departure both count.
- Holidays, weekends, and sick days during a stay count.
- Days outside Germany during a stay don't count.
The remote-worker trap
The most common scenario: a US-employed remote worker spends 5 months in Berlin, ostensibly on tourism. Under the Wohnsitz test, the rented apartment is enough to make the worker a German tax resident. Under the treaty's 183-day rule, the time hasn't crossed the threshold for German taxation of US-source employment income, but Germany may still claim the residency, triggering tax on worldwide income.
Renting a German apartment for 6+ months is a strong Wohnsitz indicator. If you're a remote worker on a tourist visa, structure your stay (Airbnb instead of long lease, multiple shorter trips) to avoid accidental Wohnsitz.
Leaving Germany
Departing German tax residency requires giving up your Wohnsitz and habitual abode. You'll typically file a final tax return for the year of departure, register de-registration (Abmeldung) with your local citizens' office, and may face exit taxation on certain unrealized gains.
Track German days correctly
Tax Days tracks German days against the habitual-abode 183-day threshold and the treaty 183-day window simultaneously. Add long stays and the app warns you before you cross either line.
Frequently asked questions
Can I become a German tax resident without spending 183 days in Germany?
Yes, generally. The Wohnsitz (domicile) test has no day-count threshold: maintaining a dwelling in Germany under circumstances suggesting you will keep and use it can make you a tax resident even with far fewer than 183 days there. Renting an apartment in Berlin and using it occasionally can be enough.
How does Germany count days for the 183-day rule?
Any physical presence on a calendar day generally counts, including days of arrival and departure. Holidays, weekends, and sick days during a stay in Germany count, while days spent outside Germany during a stay do not.
What is the difference between Wohnsitz and gewohnlicher Aufenthalt?
Both trigger unlimited German tax liability under the German Fiscal Code (Abgabenordnung). Wohnsitz means you maintain a dwelling in Germany under circumstances indicating you will keep and use it, with no minimum day count, while gewohnlicher Aufenthalt (habitual abode) generally applies when you stay in Germany for more than 6 consecutive months, and short interruptions do not break the count.
How does the treaty 183-day rule work for employment income in Germany?
Where a tax treaty applies, employment income earned while working in Germany is generally taxable in Germany if you are present for more than 183 days in a 12-month period (or calendar year, depending on the treaty), if your employer is a German resident or has a German permanent establishment, or if your pay is borne by a German permanent establishment. If none of those apply, your home country typically retains primary taxing rights.
Can remote workers accidentally become German tax residents?
Yes, this is a common trap. A remote worker who rents an apartment in Berlin for around 5 months can meet the Wohnsitz test even without crossing 183 days, which can let Germany claim residency and tax worldwide income. Structuring the stay as multiple shorter trips or short-term accommodation instead of a long lease generally reduces the risk.