CDC
Methodology

How we calculate Australia eligibility

Our Australia calculator follows official rules:

  1. 1

    1. Identify the 4-year qualifying period

    Count backward 4 years from application date.

  2. 2

    2. Total days absent in 4 years

    Sum days outside Australia. Max 365 days (≤400 in discretion zone).

  3. 3

    3. Last 12 months absence

    Sum days outside Australia in last 12 months. Max 90 days.

  4. 4

    4. Recent presence

    Days inside Australia in last 12 months. Min 120 days required.

  5. 5

    5. Determine verdict

    Green if all requirements met; amber if borderline; red if any threshold exceeded.

Official sources

Rules verified: May 11, 2026

How we calculate Australia citizenship eligibility · Citizenship Day Calculator