Every document required for your Irish naturalisation application. Covers all years of qualifying residence. Updated for December 2025 rule changes. Tick off each item as you gather it.
Check your eligibility first: Use the CitizenshipCalculator.com calculator to verify you have 1,825 qualifying days (or 1,095 for spouses) before gathering documents. Applying before you are eligible will result in refusal and loss of the €175 fee.
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From 8 December 2025: International Protection recipients must have 5 years of reckonable residence (previously 3 years). If you were granted IP status, check new rules →
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1. Before you apply
Confirm eligibility before paying the fee
4 items
Required
Calculate your qualifying days first
Use the CitizenshipCalculator.com calculator to confirm you have 1,825 qualifying days (or 1,095 for spouses of Irish citizens) before applying
Required
Completed online naturalisation application
Via MyGovID at irishimmigration.ie — the application is made online
Required
Application fee: €175
Non-refundable. If approved, a further €950 certificate fee is payable before the ceremony
Required
Statutory Declaration of Identity and Fidelity
Sworn before a Peace Commissioner, Commissioner for Oaths or Notary Public in Ireland
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2. Identity documents
All passports covering your qualifying period are essential
3 items
Original
Current valid passport — original
Original
All previous passports held during period of residence in Ireland
Every passport covering your qualifying years — originals or certified copies
Original
Birth certificate
Certified translation to English if not in English
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3. Residence permission documents
Evidence of every year of qualifying residence — the most important section
4 items
Required
All IRP / GNIB cards covering your qualifying period
Every IRP/GNIB card you have held. Keep all your old cards — do not discard them
Required
All INIS/ISD permission letters / stamps
Any letters granting or extending your immigration permission
Required
Passport stamps showing entry to and departure from Ireland
All passports with Irish stamps covering qualifying years
Required
Evidence for each year of qualifying residence
ISD may request evidence for any or all years — aim to have something for every year
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4. Proof of address
Evidence of continuous residence in Ireland
4 items
Required
Proof of current address in Ireland
Utility bill, bank statement, or official letter dated within 3 months
Required
Evidence of address for each year of qualifying residence
Bank statements, utility bills, tenancy agreements showing continuity of address in Ireland
Conditional
Employer letters or payslips for each year of employment in Ireland
Conditional
Student letters/transcripts for any years as a student
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5. Character & intention
Evidence you are of good character and intend to remain in Ireland
5 items
Required
Garda National Immigration Bureau (GNIB) registration history
ISD has internal records but may request your registration history
Required
Declaration of good character
Evidence you have not been convicted of any criminal offence in Ireland or abroad
Conditional
Foreign police clearance certificate
For any country where you resided for more than 6 months during qualifying period
Required
Evidence of intention to continue residing in Ireland
Employment contract, property ownership, family in Ireland, children in school
Conditional
For IP recipients: evidence of grant of international protection and date
Applying post-Dec 2025: need 5 years from grant date, not 3
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6. Spouse of Irish citizen (if applicable)
Only complete this section if applying under the 3-year spouse route
2 items
Conditional
Marriage / civil partnership certificate (if applying as spouse of Irish citizen)
Certified translation if not in English
Conditional
Evidence of 3-year qualifying period (spouse route)
1,095 days required — use calculator to verify
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Most important advice: Keep every IRP card, every GNIB card, and every permission letter you ever receive. Many applicants are delayed or refused because they cannot evidence specific years of residence. Scan all documents and store securely from day one of your time in Ireland.
Not legal advice. Requirements may vary by nationality, embassy, and individual circumstances. Always verify the latest requirements at irishimmigration.ie before submitting your application. CitizenshipCalculator.com is not affiliated with the Irish Government.