Is rejoining the EU the answer to the UK's financial woes?

Key Concepts

• Brexit: The UK's withdrawal from the European Union.
• GDP (Gross Domestic Product): The total value of goods and services produced, used here as a primary metric for economic health.
• G7 (Group of Seven): An intergovernmental political and economic forum consisting of seven of the world's largest advanced economies.
• OBR (Office for Budget Responsibility): The UK's independent fiscal watchdog.
• OECD (Organisation for Economic Co-operation and Development): An international organization that works to build better policies for better lives.
• NBER (National Bureau of Economic Research): A private, non-profit research organization in the US.
• Freedom of Movement: The EU principle allowing citizens to live and work in any member state, a likely non-negotiable condition for rejoining.

---

Economic Impact of Brexit

The central debate concerns whether Brexit has been a "catastrophic mistake." While political figures like Wes Streeting argue for rejoining to rebuild the economy, the economic reality is complex due to overlapping global crises.

• Consensus on Decline: Independent assessments consistently show a negative impact on UK GDP.
  • OBR: Predicted a 4% decline in productivity by 2035.
  • OECD: Forecasted a 5% decline in GDP by 2030.
  • NBER: Estimated a 6–8% decline in GDP by last year.
• The "Fastest Growing" Paradox: While the UK was the fastest-growing G7 economy in Q1 of this year, this is a short-term snapshot. When viewed against pre-pandemic levels, the UK has consistently underperformed compared to the Eurozone.
• Confounding Variables: It is difficult to isolate Brexit from the "generational challenges" of the COVID-19 pandemic, the war in Ukraine, and geopolitical tensions in Iran. However, the consensus is that the UK was more economically exposed to these shocks due to the fundamental restructuring of its primary trading relationship.

Trade Dynamics and Global Relationships

The UK’s trade strategy post-Brexit has focused on diversifying away from the EU, which remains the UK's largest trading partner (41% of exports).

• Trade Deal Limitations: New deals with Australia, New Zealand, and Japan have each contributed less than 0.1% to GDP.
• The US Trade Prize: The anticipated major trade deal with the US has failed to materialize. With the potential for increased protectionism (noting Donald Trump’s second term), trade barriers are rising rather than falling.
• Current Strategy: Keir Starmer’s government is pursuing a "narrow deal" approach (beef, steel, pharmaceuticals) and seeking to reduce trade friction by aligning with EU standards for food and drink, as outlined in the King’s Speech.

Immigration Trends

Immigration was a cornerstone of the Brexit campaign, with promises of reduced numbers. The reality has been a shift in the composition of migration:

• EU vs. Non-EU: While EU migration decreased as promised, non-EU migration soared, leading to record-high legal migration levels.
• Political Sensitivity: Despite a recent decline in these numbers, immigration remains a more volatile political issue today than it was a decade ago.

Political Landscape and Rejoining

The prospect of rejoining the EU faces significant hurdles:

• Negotiation Terms: It is highly improbable that the EU would offer the UK the same favorable terms it previously held. "Freedom of movement" is widely considered a non-negotiable requirement for any re-entry.
• Public vs. Political Appetite: While polling suggests nearly 60% of the public views Brexit as a mistake, political support is fragmented. Figures like Andy Burnham avoid the topic to maintain support in "leave-voting" constituencies, highlighting the risk of reopening a deeply divisive national debate.

Synthesis

The debate over rejoining the EU is caught between economic data showing long-term stagnation and the political reality of a country still grappling with the consequences of its departure. While the UK has struggled to replace the economic benefits of the EU single market with new global trade deals, the path to rejoining is obstructed by the likely requirement of accepting freedom of movement and the lack of a clear political mandate to revisit the Brexit decision. The current government’s strategy appears to be a pragmatic, incremental alignment with EU standards rather than a full-scale push for re-accession.