The Next EU Member? Iceland Faces a Historic Choice

By Tomás Díaz García

While Europe debates its future, a small island in the North might be about to redraw the map of the European Union. 

Introduction: A New Chapter in Europe’s Expansion  

The enlargement of the European Union is understood as the process of admitting new member states; this concept has always symbolised hope, integration, and unity. From the post-Cold War wave that brought in Central and Eastern European nations, to the Balkan accession that followed, expansion has been both a political and emotional journey towards a more connected continent. 

After years of relative silence on enlargement, the debate has returned to the top of Europe’s agenda. Russia’s ongoing aggression in Ukraine, rising geopolitical instability, and the global race for inclusion have rekindled discussions about what the EU should look like and who belongs to it. 

Amid this changing context, one country has reemerged as a special case: Iceland

Once a candidate, later a sceptic, and now a potentially once again hopeful participant, the North Atlantic island’s story could determine not just its own future, but also the EU’s direction in the new era. 

The Copenhagen Criteria: What Joining the EU Really Means

To understand the significance of Iceland’s possible return to the European project, it’s essential to recall what EU membership actually demands. The Copenhagen Criteria, established in 1993, from the foundation. They set political mechanisms and legal conditions that every candidate must meet before joining. 

First, a country must guarantee democracy, the rule of law, human rights, and respect for minorities. Second, it must have a functioning market economy capable of withstanding the pressure of the single market. Finally, it must adopt and implement the entire body of EU laws and standards, known as the “acquis communautaire". 

This process is long, technical and politically sensitive. It involves not only fulfilling complex regulations but also aligning national values and governance with those of the wider union. And crucially, not every country starts from the same point; some have stable institutions and advanced economies, while others must transform almost every aspect of their political and economic systems. 

Slow and Uneven Progress

Across the continent, candidate countries are moving at very different speeds. 

Moldova, for instance, has advanced rapidly, driven by urgent geopolitical motives and a clear pro-European government. Yet its fragile economy and governance reforms remain critical obstacles. 

Ukraine, despite ongoing warfare and the monumental challenge of rebuilding its cities and infrastructure, has shown deep political will and public support for membership. The EU sees it as both a moral and strategic priority, though the path will be turbulent and costly.

Meanwhile, Serbia continues to face political deadlocks and tensions over its relationship with Kosovo, preventing any real acceleration in its accession path. 

These examples reveal a fundamental truth: that enlargement is not a uniform race but a mosaic of stories, each reflecting different challenges, ambitions, and realities. 

Why the Timing Matters Now 

The real question would be, why is Europe reopening its doors after nearly a decade of hesitation? Geopolitics is now impacting EU enlargement. 

Three main forces have brought engagement back into focus. 

Security tops the list. Russia’s invasion of Ukraine has made it clear that borders and alliances can no longer be taken for granted. Expanding the EU has become not just a project of integration but a shield against instability. 

Regional stability is another key motive. Integrating smaller, neighbouring states into the EU framework reduces potential for conflict and fosters cooperation where divisions could otherwise calcify.

Finally, global influence plays a role. In an age when major powers like the US, China, and even post-Brexit Britain are recalibrating their global footprints, the EU seeks to project its strength through unity and shared economic power. Expanding its membership is as much about shaping internal solidarity as it is about protecting Europe’s voice on the world stage. 

Iceland Case

Iceland already enjoys deep economic integration with the EU through the European Economic Area (EEA) and the Schengen Area, allowing free trade, capital movement, and borderless travel. Its economy is highly developed, with robust institutions, low corruptions, and a strong welfare state, all qualities that place it well above the bar for membership. By most Copenhagen standards, Iceland checks every box. 

So why is it not already a member? The answer lies in politics and identity. 

Public opinion on EU membership has long been divided. Many Icelanders worry that joining the Union could threaten their national sovereignty, especially regarding control over fisheries, the lifeblood of their economy and a key symbol of independence. The fear of external quotas or Brussels’ bureaucracy dictating fishing rights runs deep, rooted in centuries- old struggles for self-determination. 

Moreover, Iceland’s financial collapse in 2008 and the subsequent EU bailout negotiation left a bitter aftertaste. When the government first applied for membership in 2009, optimism was high. But amid the recovery, scepticism grew, fueled by the sense that Iceland’s resilience relied more on national unity than on European bureaucracy. 

Now, however, change may be on the horizon. With the government announcing a referendum in August 2026, Icelanders will once again decide whether the time has come to formally join the Union they already orbit so closely. 

The campaign is expected to be one of the most polarised in Iceland’s history. Supporters argue that full membership will give Iceland a stronger voice in shaping the very rules it already follows through the EEA. They see this as a pragmatic step toward influence, not submission. 

Opponents counter that Iceland’s strength lies precisely in its independence, able to maintain access to Europe’s market without entangling itself in the EU’s political machinery. For them, joining would mean trading autonomy for bureaucracy. 

Economically, the analysis predicts minimal disruption: Iceland already meets nearly all EU standards. The debate, therefore, is not about capacity but choice. Whether Iceland wants to remain a detached partner or become a fully integrated member of the European Union. 

Conclusion

As the European Union stands at a crossroads, Iceland’s upcoming decision could become a symbolic mirror for the entire continent. Enlargement is once again a central theme, but it exposes both the power and the fragility of the European project. 

For Europe, Iceland represents the “easy” case: a country that already aligns with nearly every EU norm. Yet politically, it remains one of the “hardest”: prosperous, self-reliant, and proud of its sovereignty. 

The August 2026 referendum will thus go far beyond Iceland’s shores. It will test not only how far the Union can extend, but also how persuasive its promise remains to those who have the option, but not the need to join. 

Will Iceland choose to share in Europe’s future, or continue charting its own course across the North Atlantic? 

Whatever the outcome, one thing is clear: the future of Iceland in the EU will depend on its citizens, and their choice will echo the limits and ambitions of all of Europe. 

Sources: European Commission, POLITICO, Euractiv, Government of Iceland, European Council on Foreign Relations, The European Correspondent, Le Monde, The London School of Economics and Political Science (LSE), Institut Jacques Delors, Taylor & Francis, The Parliament, Bruegel, ResearchGate. 

Written by Tomás Díaz García

Edited by Florence Cunnen