The Internal Siege: Why the EU’s Greatest Existential Threat is Domestic

By Janis A. Emmanouilidis
October 22, 2026

BRUSSELS — For years, the European Union has defined its geopolitical posture through the lens of external turbulence. Brussels has been consumed by the specter of Russian expansionism on its eastern flank, the complex trade warfare initiated by China’s industrial subsidies, and the mercurial trade policies emanating from Washington under President Donald Trump. Yet, as the bloc navigates the autumn of 2026, a growing consensus among policy analysts suggests that the most profound threat to the European project is not located in the Kremlin, Beijing, or the Oval Office. It is, instead, festering within the Union’s own legislative chambers.

The foundations of the European Union—built upon supranational cooperation, the rule of law, and the pooling of sovereignty—are currently facing an unprecedented ideological assault. Far-right factions, spearheaded by parties like Germany’s Alternative für Deutschland (AfD), are no longer content with mere Euro-skeptic rhetoric; they are actively engineering a "New Deal for Europe," a radical institutional framework designed to hollow out the Union from the inside.


The Anatomy of the Threat: A New Strategy of Disintegration

The threat is characterized by a shift in tactic. Where previous Euro-skeptic movements sought to "exit" the EU entirely—as seen in the traumatic fallout of the British referendum—today’s populist vanguard seeks a more surgical destruction. By remaining within the European Parliament, these actors aim to weaponize the EU’s own mechanisms to decentralize power, effectively turning the supranational project into a loose, unenforceable confederation of nation-states.

The AfD’s recent proposal, presented in the European Parliament, serves as the blueprint for this subversion. It advocates for the clawing back of competencies from the European Commission, the marginalization of the European Court of Justice, and the restoration of absolute national vetoes. By attempting to dismantle the "supranational foundations," these actors aim to paralyze the EU’s ability to act as a unified geopolitical actor, thereby rendering it irrelevant on the world stage.


Chronology of the Shift: From Peripheral Noise to Institutional Challenge

To understand the gravity of the current moment, one must trace the evolution of the anti-EU sentiment over the last decade:

  • 2016–2020: The Brexit Era: The period dominated by the United Kingdom’s departure. At this stage, the primary concern was contagion—whether other member states would follow suit. The EU reacted with resilience, reinforcing its unity in the face of the British exit.
  • 2021–2023: The Poly-Crisis Response: The COVID-19 pandemic and the subsequent Russian invasion of Ukraine necessitated deeper integration. The EU created the NextGenerationEU fund and surged toward a common defense and energy policy. This was the peak of supranational efficiency.
  • 2024–2025: The Populist Surge: National elections across key member states saw a shift in political gravity. Pro-EU coalitions became increasingly fragile, forced to govern with thin margins or in uneasy "grand coalitions."
  • Late 2026: The Institutional Assault: The current period marks the transition from populist rhetoric to "legislative sabotage." Opponents of the EU are now using the European Parliament’s own committee structures and plenary powers to introduce "reform" packages designed to induce institutional gridlock.

Supporting Data: The Erosion of Political Consensus

The challenge is underscored by a measurable decline in public and political trust in supranational institutions. According to recent Eurobarometer trends, while support for the EU as a concept remains relatively stable, support for the current distribution of power is fracturing.

  • Parliamentary Fragmentation: In the 2024–2029 parliamentary term, the center-right (EPP) and center-left (S&D) have seen their combined seat share dip below the historical threshold required to pass major integrationist reforms without reaching out to fringe parties.
  • Legislative Delay: Since the beginning of 2026, the number of legislative files stalled in the Council due to national-level vetoes—often prompted by domestic political posturing—has increased by 22% compared to the 2020–2022 period.
  • Fiscal Friction: The debate surrounding the 2027–2033 Multiannual Financial Framework (MFF) has become the primary battlefield. Nationalist blocs are explicitly leveraging the budget as a tool to blackmail the Commission into returning powers to national capitals.

Official Responses: The Pro-EU Camp’s Counter-Narrative

The European Commission and the leadership of the European Parliament have begun to recognize that the traditional "business as usual" approach is no longer sustainable.

In a recent address, the Commission President emphasized that "the EU is a house that must be constantly renovated, not demolished." The pro-EU camp is currently coalescing around a strategy of "defensive integration." This involves:

  1. Strengthening Treaty Enforcement: Moving away from soft diplomacy toward rigorous application of infringement procedures against member states that attempt to unilaterally dismantle EU law.
  2. Strategic Communication: Recognizing that the AfD-style rhetoric succeeds by framing the EU as a "bureaucratic leviathan," the Commission is pivoting toward a focus on "results-oriented governance"—highlighting the tangible benefits of the single market in an era of global volatility.
  3. Institutional Reform: Discussions are underway regarding the potential revision of voting rules in the Council. The goal is to move from unanimous voting to Qualified Majority Voting (QMV) in critical areas like foreign policy and taxation, a move that would bypass the nationalistic vetoes currently threatening the bloc’s coherence.

The Strategic Implications: A Europe at the Crossroads

The implications of this internal struggle are profound. If the proponents of the "New Deal for Europe" succeed in decentralizing the Union, the consequences would be felt far beyond Brussels.

1. The Death of Strategic Autonomy

Europe’s pursuit of "strategic autonomy"—the ability to act independently in matters of defense, technology, and energy—relies entirely on a unified executive. If the EU reverts to a confederation, it will lose its ability to negotiate as a single bloc with giants like the United States or China. It would essentially become a playground for external powers to influence individual member states, playing them off against one another.

2. Economic Fragility

The strength of the Eurozone and the single market is predicated on common regulatory standards and fiscal coordination. A return to national sovereignty over these domains would lead to a fractured market, increased transaction costs, and a inevitable decline in European competitiveness. The very prosperity that has fueled the EU’s social model would be at risk.

3. The Security Vacuum

With the eastern flank remaining volatile, a weakened EU would be unable to sustain a unified stance on security. If the bloc cannot speak with one voice, the deterrence factor against external aggression is diminished. The internal push to weaken supranationalism is, in effect, an indirect gift to those who wish to see a divided and vulnerable Europe.


Conclusion: The Necessity of a New Political Strategy

The pro-EU camp cannot afford to be complacent. The strategies that worked in the 1990s and early 2000s—the "Monnet method" of gradual, technocratic integration—are no longer effective in an era of hyper-politicized, identity-driven discourse.

To counter the radical schemes currently being presented in the European Parliament, the defenders of the European project must adopt a more aggressive, proactive stance. This means not only defending existing structures but also proposing bold, new institutional arrangements that address the legitimate concerns of citizens regarding accountability and transparency, without sacrificing the supranational core.

The fight for Europe’s future is no longer happening solely at the borders; it is happening in the corridors of Brussels. Whether the Union emerges from this period as a revitalized, integrated entity or as a fragmented collection of fading nation-states depends on the political agility of those who believe that, in a world of giants, a unified Europe is the only way to remain relevant. The time for reactive policy is over; the time for a decisive, democratic, and institutional renewal is now.