What is citizenship by descent?

Citizenship by descent (CBD) is the legal right to acquire a country's citizenship through one's ancestors, based on the principle of jus sanguinis (right of blood). Over 90 countries offer some form of citizenship by descent.

Which countries offer citizenship by descent?

Over 90 countries offer CBD. The most accessible include Italy, Ireland, Poland, Germany, Mexico, Brazil, Argentina, Canada, Spain, and Portugal.

How long does citizenship by descent take?

Timelines vary by country. Italy: 12-36 months. Ireland: 9-18 months. Poland: 12-24 months. Germany: 12-30 months. Mexico: 6-14 months. Brazil: 6-12 months.

Can I have dual citizenship?

In most cases yes. The US, Canada, UK, Mexico, Brazil, Argentina, Italy, Ireland, Portugal, Spain, and most EU states permit dual citizenship. Notable exceptions: Saudi Arabia, Kuwait, Oman, Qatar, Bahrain, Japan, China, Singapore.

How much does citizenship by descent cost?

Costs vary by country. Typical all-in fixed fees: Italy $8,000-$25,000, Ireland $4,000-$9,000, Poland $5,000-$15,000, Germany $8,000-$25,000, Mexico $3,000-$8,000, Brazil $3,000-$7,000.

Is the consultation confidential?

Yes. Every consultation is confidential. Nothing you share can be disclosed without your consent. When you're matched with a professional in our network, that professional's own confidentiality and privilege policies apply to your engagement.

How long does the consultation take?

The first consultation is 90 minutes for video and in-office meetings, or 60 minutes for phone calls.

Is the consultation really free?

Yes. The first 90 minutes are confidential, candid, and free of charge. No retainer required.

What should I prepare for the consultation?

Bring whatever you know about your ancestor: full name, date and place of birth, country of origin, emigration date, naturalization status, and any documents you already have.

How quickly will I hear back after requesting a consultation?

We reply to every consultation request within 24 hours, in your timezone.

What consultation formats are available?

We offer private video consultation (90 minutes), in-office meeting (90 minutes, available in New York, Lisbon, and Mexico City), and telephone call (60 minutes).

Do I need to commit to anything after the consultation?

No. The consultation is free and carries no obligation.

What languages are consultations available in?

Case leads are available in seven languages: English, Italian, Spanish, Portuguese, French, German, and Polish.

Pillar guide

Poland Citizenship by Descent

Poland citizenship by descent is governed by Confirmation of Polish citizenship. Polish citizenship passes by blood without limit, but the historical overlay (partitions, WWII, emigration) creates documentation gaps. We reconstruct pre-war residency, military, and consular records to confirm continuity through the Polish consulates or Warsaw provincial offices.

This pillar page clusters every piece of Ancestra content related to Polish citizenship by descent — country guide, document checklists, comparisons, glossary terms, cost estimates, and eligibility assessment — in one place.

Last reviewed July 2026 by Ancestra editorial team

Who qualifies for Poland citizenship by descent?

The key thing to know: The historical overlay is the #1 challenge: Poland was partitioned (1795-1918), occupied in WWII (1939-1945), and had borders shifted (1945). Records may be in Warsaw, Lviv, Vilnius, Minsk, or Berlin. Citizenship continuity through these periods must be documented.

Transmission rule: Both parents equally since 1951. Before 1951, paternal only (and complex partition-era rules).

Key rules at a glance

Generational limit: No generational limit — Polish citizenship passes by blood without limit, provided the line was never broken.

Dual citizenship: Permitted — Poland allows dual citizenship (though it does not formally recognize it; Polish citizens are treated as Polish while in Poland).

Language requirement: None for confirmation of citizenship.

Filing authority: Wojewoda (provincial governor) of last residence in Poland, or Polish consulate abroad.

FAQ

Frequently asked questions

Is there a generational limit for Poland citizenship by descent?

Poland: No generational limit — Polish citizenship passes by blood without limit, provided the line was never broken.

Does Poland allow dual citizenship?

Poland: Permitted — Poland allows dual citizenship (though it does not formally recognize it; Polish citizens are treated as Polish while in Poland).

Related resources

Everything related to Poland Citizenship by Descent

Poland country guide

Confirmation of Polish citizenship

Poland checklist (grandparent)

Complete document checklist for claiming through a grandparent

Poland checklist (parent)

Complete document checklist for claiming through a parent

Poland cost calculator

Estimate your all-in cost

Glossary: Potwierdzenie

Potwierdzenie posiadania obywatelstwa polskiego (confirmation of Polish citizenship) is the legal pr...

Glossary: Wojewoda

A Wojewoda (voivode) is the Polish central government's representative in each province (województwo...

Glossary: USC

USC (Urząd Stanu Cywilnego) is the Polish civil registry office that maintains records of births, ma...

Glossary: AGAD

AGAD (Archiwum Główne Akt Dawnych) is the Central Archives of Historical Records in Warsaw, holding ...

Glossary: Partitions

The Partitions (zabory) were the three divisions of Poland between Russia, Prussia, and Austria from...

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