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How many days have you spent in Turkey this year?
Turkey treats you as tax resident for a calendar year once you have been in the country for more than six months of it, counted as 183 days, continuous or not. This counter adds up your stays and tells you where you stand. Nothing you type leaves this page.
Your stays in Turkey (entry and exit days both count)
What the rule actually says
Article 4 of the Income Tax Law (Gelir Vergisi Kanunu) makes you a Turkish tax resident if either applies:
- Your home is in Turkey (you are "settled" here), or
- You spend more than six months in Turkey in one calendar year, continuously or with breaks. In practice that is 183 days, and temporary absences do not reset the count.
Three things people get wrong:
- The year is January to December, not any rolling 12 months. Day 183 of 2026 is counted from 1 January 2026.
- Partial days count. Arrival day and departure day are both days in Turkey for this purpose. This counter counts them.
- Residency and the 20-year exemption are separate questions. Becoming resident is what makes you eligible for the foreign-income exemption; it does not by itself trigger tax on foreign income if you then apply for the exemption certificate in time.
There are exceptions for people in Turkey for a temporary, fixed purpose such as scientists, students, medical patients and people detained here, and treaty tie-breaker rules can override the count when you are also resident somewhere else. If either might apply to you, the counter is a starting point, not an answer.
Next step once you are, or will be, resident: the 20-year tax savings calculator and the tax residency guide.
Source: Gelir Vergisi Kanunu, Article 4 and 5. This is general information, not tax advice.