EU Citizenship by Descent Comparison: Italy, Ireland, Portugal, and Poland

Obtaining EU citizenship by descent involves proving an ancestral link to a specific European nation to secure a passport without the need for traditional residency or investment. While Italy, Ireland, Portugal, and Poland offer some of the most accessible pathways, they differ significantly in terms of generational limits, document requirements, and processing timelines.

Key takeaways

• Italy offers the most flexible generational reach through 'Jure Sanguinis', often allowing claims back to the 19th century.
• Ireland requires the ancestor to have been born on the island of Ireland, generally limiting claims to great-grandparents.
• Portugal provides a pathway for those with Sephardic Jewish ancestry or children of Portuguese citizens, recently updated with stricter tie-to-community requirements.
• Poland allows citizenship to be 'confirmed' if an ancestor held Polish citizenship after 1920 and never lost it through specific historical paradoxes.
• Each process requires an extensive paper trail including birth, marriage, and death certificates, often requiring apostilles and translations.

Why is EU citizenship by descent gaining popularity?

For high-net-worth individuals from the United States, Canada, and the United Kingdom, an EU passport serves as the ultimate 'Plan B'. It provides the right to live, work, and study across all 27 member states of the European Union. Unlike Golden Visas, which require significant capital outlays (such as the Greek 250,000 Euro property investment or the Spanish 500,000 Euro threshold), citizenship by descent is primarily an administrative and legal exercise. The costs are generally limited to legal fees, genealogical research, and government filing fees, making it a highly cost-effective method for securing global mobility.

How does Italian citizenship by descent (Jure Sanguinis) work?

Italy operates on the principle of Jure Sanguinis (right of blood). Theoretically, there is no limit on the number of generations you can go back, provided your ancestor was alive and an Italian citizen on or after 17 March 1861 (the date of Italian unification).

However, there are two major hurdles. First, the ancestor must not have naturalised in another country before the birth of the next person in the line of succession. Second, the '1948 Rule' historically prevented women from passing on citizenship to children born before 1 January 1948. While this discriminatory law was overturned, those claiming through a female ancestor before this date must file a case in the Italian courts rather than through a consulate.

Processing times via consulates can range from two to ten years due to massive backlogs. Conversely, the 'Apply in Italy' route, which requires taking up temporary residency in an Italian commune, can see cases resolved in three to nine months.

Is Irish citizenship by descent limited to grandparents?

For most applicants, the answer is yes. If your parent was an Irish citizen at the time of your birth, you are likely already a citizen. If your grandparent was born on the island of Ireland (including Northern Ireland), you are entitled to citizenship by registering on the Foreign Births Register (FBR).

Claiming through a great-grandparent is only possible if your own parent registered on the FBR before you were born. This 'chain' must remain unbroken. The Irish Department of Foreign Affairs currently reports processing times of approximately 9 to 12 months for FBR applications. The primary cost is the 278 Euro registration fee, plus the costs of obtaining certified long-form certificates from the General Register Office (GRO) in Roscommon or Belfast.

What are the rules for Polish citizenship confirmation?

Poland does not 'grant' citizenship by descent in the traditional sense; instead, it 'confirms' that you have been a citizen since birth. Because Poland became an independent state in 1918, the ancestor must have been a resident or citizen after 1920.

Polish law is notoriously complex due to the 1920 and 1951 Citizenship Acts. Historically, Polish citizens could lose their citizenship by serving in a foreign army, holding public office abroad, or through marriage before 1951. An expert legal assessment is essential to ensure the 'chain' was never legally broken. There is no generational limit, provided the chain of citizenship remained intact according to the laws of the time. Applications are submitted to the Masovian Provincial Office in Warsaw.

How does the Portuguese pathway differ?

Portugal offers two primary routes for descent. The first is for children or grandchildren of Portuguese citizens. Grandchildren must demonstrate an 'effective connection' to the Portuguese community, which usually involves knowledge of the Portuguese language (A2 level).

The second route is the Sephardic Jewish pathway (Article 6.7 of the Nationality Law). This allows descendants of Jews expelled from the Iberian Peninsula to claim citizenship. In 2022 and 2024, the Portuguese government introduced stricter requirements for this route, now requiring applicants to have inherited property in Portugal or to have made regular trips to the country. This has moved the programme closer to a residency-based requirement than a pure descent-based one.

EU Citizenship by Descent Comparison Table

What are the common challenges in the application process?

Regardless of the country, the most significant obstacle is the 'Paper Trail'. Many HNWIs find that records from the early 20th century contain discrepancies. Names were often anglicised upon arrival at Ellis Island or during census registrations (e.g., 'Giovanni' becoming 'John').

To succeed, these discrepancies must be reconciled through 'One and the Same' court orders or official amendments to records. Furthermore, all non-EU documents must be apostilled under the Hague Convention and translated by certified or 'sworn' translators recognised by the respective Ministry of Foreign Affairs.

Which programme is right for you?

If you have Italian lineage and the patience for a long-dated process, Italy is the most robust option due to the lack of a generational cap. If you have Irish grandparents, Ireland is the fastest and most straightforward path. For those with Eastern European roots, Poland offers a powerful passport but requires navigate-heavy military service laws and historical border changes. Portugal remains a viable option for those willing to learn the basics of the language or those who can prove Sephardic heritage with modern ties to the country.

Applicants should consult with a specialist immigration lawyer or a professional genealogist to conduct a preliminary feasibility study before investing in document procurement.

Frequently Asked Questions

Do I need to speak the language to get citizenship by descent?

In Italy, Ireland, and Poland, there is no language requirement for citizenship by descent. However, Portugal requires grandchildren of Portuguese citizens to prove A2 level proficiency in the Portuguese language.

Can I hold dual citizenship with these EU countries?

Italy, Ireland, Poland, and Portugal all permit dual citizenship. You do not need to renounce your original nationality to hold these passports. However, you should always check the laws of your current country of citizenship to ensure they also permit dual nationality.

What is the 1948 rule in Italy?

In Italy, before 1948, only men could pass citizenship to their children. If your line of descent involves a female ancestor whose child was born before 1 January 1948, you must pursue your claim through the Italian court system rather than a consulate. These '1948 Cases' have a very high success rate but require an Italian attorney.

How much does the process typically cost?

While government fees are often under 500 Euro, the total cost including professional genealogical research, certified copies of records, apostilles, translations, and legal representation typically ranges from 5,000 Euro to 15,000 Euro depending on the complexity of the case.

Can my spouse and children also get citizenship?

In most cases, minor children are automatically included or can easily be registered once your citizenship is confirmed. Spouses usually have a separate pathway through naturalisation by marriage, which may require a period of time or a language test (as is the case with Italy's B1 language requirement for spouses).

Disclaimer: This article is for informational purposes only and does not constitute legal or tax advice. Laws regarding citizenship are subject to change; always consult with a qualified legal professional or the relevant national consulate before beginning an application.