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183333Residency Day Lab
Home / Country Rules
Reviewed October 2026

Tax Residency Rules by Country

The day threshold, the counting window and the other tests that matter — for 36 jurisdictions, each linked to its official tax authority. Summaries are educational; confirm before acting.

CountryDay testTax yearHow residency worksOfficial source

Calendar vs rolling

Calendar-year countries reset on 1 January. Rolling-window countries look at any 12 consecutive months — log continuously.

Ties beat days

Canada, Australia, France, Germany and the UK (via ties) can make you resident below 183 days.

Two claims?

Treaty tie-breakers decide. How the ladder works →

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