Abstract
Between 2022 and 2025, applications for Irish citizenship through the Foreign Births Register increased by approximately 95%. This article analyses the surge as a case study in modern diaspora citizenship rather than migration-driven naturalisation. Drawing on demographic patterns, labour mobility constraints following Brexit, changing political incentives in the United States, and Ireland’s Diaspora Strategy 2020–2025, the paper argues that citizenship by descent is increasingly functioning as a form of strategic mobility capital. The anticipated release of the 1926 Census in April 2026 is likely to further accelerate applications by expanding Irish genealogical awareness and verification. The Irish case illustrates how citizenship regimes rooted in historical identity are evolving into instruments of global risk management and intergenerational planning.
Introduction
Citizenship has traditionally been understood as a legal status grounded in residence, allegiance, and integration within a state. However, a growing body of scholarship has identified the emergence of “diaspora citizenship” — forms of membership granted to non-resident populations based on ancestry rather than territorial presence.[1]
Ireland represents a particularly instructive case. Through its Foreign Births Register (FBR), individuals born outside the State may acquire citizenship if they have a grandparent born on the island of Ireland. Registration confers full Irish citizenship and European Union citizenship rights.
Between 2022 and 2025, applications to the FBR rose from 27,694 to 54,097 — an increase of approximately 95%. This paper examines the causes and implications of this surge, situating it within broader transformations in the meaning and function of citizenship.
The central argument is that Irish citizenship by descent increasingly operates not primarily as an identity claim but as a form of strategic mobility capital in a context of geopolitical uncertainty.
Naturalisation vs Diaspora Citizenship
Irish citizenship law contains two conceptually distinct pathways.
1. Naturalisation
Naturalisation applies to foreign nationals residing in Ireland who meet statutory residence and character requirements. This model aligns with conventional immigration-integration frameworks.
2 Citizenship by Descent
The Foreign Births Register operates differently. Applicants typically have never resided in Ireland and may not intend to do so immediately. Instead, eligibility derives from ancestry.
The Irish Constitution explicitly recognises a “special affinity” with persons of Irish ancestry abroad.[2] The State’s Diaspora Strategy further defines the diaspora to include individuals born abroad to Irish families and those of Irish descent globally.[3]
Thus, the FBR represents not immigration policy but diaspora policy institutionalised as citizenship law.
The 2022–2025 Application Surge
Applications increased annually (+27%, +22%, +26%), indicating sustained demand rather than a temporary spike.
Demographic distribution reveals distinct behavioural patterns:
Region | Approximate Average Age (2025) | Interpretation |
United States | 40–42 | Strategic mobility planning |
Great Britain | 32–33 | Post-Brexit labour and residency |
Canada | ~31 | Professional mobility |
Australia / NZ / EU | 23–26 | Early-career mobility |
Elsewhere | ~20 | Parental registration of minors |
The data suggest two dominant motivations:
- Mid-career security acquisition
- Intergenerational citizenship planning
This diverges from classical ethnic return migration models, which typically involve relocation intentions.
Brexit and Functional Citizenship Demand
Brexit constitutes the most visible policy shock affecting demand. The surge in UK applications was initially driven by Brexit, which removed automatic EU citizenship rights from British nationals.
Under the EU Withdrawal Agreement of 2021, British citizens who were lawfully resident in an EU country on January 1st 2021, continue to have broadly the same rights to live, work, study and access benefits as they did before Brexit.
In contrast, British citizens wishing to retire to Southern Europe, face far more onerous long term visa qualification obligations, including:
- Private medical insurance requirements (€30k cover)
- Income thresholds (€30k income)
- Work visa restrictions (must has a job in advance)
- Periodic visa renewal procedures
Labour mobility has also been affected. Workers in transport, shipping and logistics sectors encounter barriers to EU contracts.
British citizens of Irish descent can apply for Irish citizenship which restores EU free movement rights. Consequently, citizenship acquisition functions as regulatory adaptation rather than identity assertion.
This aligns with Ayelet Shachar’s concept of citizenship as a distributable asset conferring opportunity structures.[4]
United States Demand and Political Optionality
The United States applicant cohort is both the fastest-growing (+171%) and the oldest. The average age for a US male applicant is 40, and 42 for a US female applicant, which is 10 years more than any other country or region.
The age profile suggests hedging behaviour rather than migration intention. Applicants appear motivated by contingency planning — securing a second jurisdictional anchor.
Public awareness has been amplified by high-profile applicants and diaspora social networks. This produces network diffusion effects whereby each successful applicant increases the probability of further applications within extended families.
Such cascading behaviour resembles what Bauböck describes as “stakeholder citizenship” expanding beyond territorial presence.[5]
Passport Power and Mobility Capital
Ireland’s passport was ranked first globally in the 2025 Nomad Passport Index. Passport rankings increasingly function as measurable proxies for mobility privilege.
Citizenship thereby acquires characteristics of capital:
- Transferable to descendants
- Non-rivalrous once acquired
- Protective against political risk
The Irish FBR transforms historical ancestry into a contemporary mobility asset.
State Policy and the Diaspora Strategy
The Irish Government’s Diaspora Strategy 2020–2025 explicitly seeks to connect with individuals entitled to citizenship abroad and to provide Foreign Birth Registration engagement mechanisms.[3]
The strategy also emphasises genealogical resources as pathways to connection.
Rather than reacting to demand, the State has actively legitimised diaspora citizenship as a policy objective. The surge therefore represents policy alignment rather than policy failure.
Administrative Reform
Processing times have been reduced from approximately two years in some periods to a target of nine months.
Administrative capacity is relevant because citizenship demand is elastic to bureaucratic uncertainty. Shorter timelines reduce perceived risk and increase application rates.
The 1926 Census Release and Anticipated 2026 Expansion
On 18 April 2026, Ireland will release the 1926 Census records.
This event is likely to materially affect application volumes because eligibility frequently depends on documentary proof of a grandparent’s birth and residence.
Genealogical digitisation historically produces spikes in ancestry-based citizenship claims.[6]
Given current trajectories, the census release may produce a second-order surge comparable to post-Brexit increases.
Intergenerational Citizenship
The youngest applicant group (average ~20 years) suggests parental registration of minors.
Citizenship is therefore being used prospectively — not to facilitate present migration but to secure future opportunity sets.
This reflects a transformation from reactive nationality acquisition to planned nationality inheritance.
Conclusion
The expansion of Ireland’s Foreign Births Register applications between 2022 and 2025 illustrates a broader transformation in citizenship.
Rather than symbolising ethnic return, citizenship by descent now operates as:
- Mobility insurance
- Labour market access restoration
- Intergenerational asset transfer
- Political risk diversification
The forthcoming release of the 1926 Census is likely to intensify these dynamics.
Ireland’s case demonstrates how historical diaspora ties, when embedded in modern mobility regimes, convert citizenship into a strategic resource within global uncertainty.
Footnotes
[1] Bauböck, Rainer. Transnational Citizenship. Edward Elgar Publishing.
[2] Bunreacht na hÉireann, Article 2.
[3] Government of Ireland. Global Ireland: Ireland’s Diaspora Strategy 2020–2025.
[4] Shachar, Ayelet. The Birthright Lottery: Citizenship and Global Inequality. Harvard University Press.
[5] Bauböck, Rainer (2005). Stakeholder Citizenship and Transnational Political Participation.
[6] Harpaz, Yossi. Citizenship 2.0: Dual Nationality as a Global Asset. Princeton University Press.
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