CDC
Methodology

How we calculate Ireland eligibility

Our Ireland calculator follows official rules:

  1. 1

    1. Check 1-year continuous residence

    Last 12 months: max 6 weeks (42 days) total absence.

  2. 2

    2. Calculate reckonable residence

    Days in Ireland in last 8 years (excluding student visa per the Act).

  3. 3

    3. Compare with 5-year requirement

    Need at least 5 years (1,825 days) of reckonable residence.

  4. 4

    4. Apply verdict

    Green if both met. Amber if close. Red if either fails.

Official sources

Rules verified: May 11, 2026

How we calculate Ireland citizenship eligibility · Citizenship Day Calculator