Ireland day-count rules

Spending time in Ireland? The rules below can affect tax residency and the path to citizenship. This page brings Ireland’s day-count rules together in one place — each explained in plain English, with links to the official sources.

Ireland — 183-Day Tax Residency RuleIreland's 183-day tax residency rule explained: spend 183 days in Ireland in a tax year — any part of a day counts — and you become Irish tax resident, plus the 280-day look-back test.183 days / year

Ireland — Citizenship by Naturalisation (70-Day Absence Rule)Irish naturalisation requires one year of continuous residence immediately before applying, with absences capped at 70 days (up to 30 more in exceptional circumstances) — on top of 4 years of reckonable residence in the previous 8.≤70 days away / final year

Ireland Tax Residency CalculatorThe 183-day test and the 280-day two-year lookback, from your trips.

Irish Citizenship Residency CalculatorFive years of reckonable residence in nine, with the final-year check.