International Institutions, Populism and Transatlantic Relations

Populist politicians and parties view international institutions as instruments of competing state interests and see global governance as empowering a detached globalist elite that must be challenged in the name of the people. This stance contrasts with perspectives that treat international institutions as semi-autonomous actors or as arenas that facilitate communication and responsiveness across societies. The two Trump administrations represent an extreme form of United States (US) unilateralism and ‘domesticism,’ prioritizing domestic needs as the foundation of international leadership. Although the European Union (EU)’s long-standing commitment to multilateral institutions has been modified in recent years—partly in response to US pressure and partly due to internal populist currents—it continues to support transatlantic and global governance. The progression from ‘Trump 1.0’ through the Biden administration to ‘Trump 2.0’ reflects both enduring trends in US foreign policy and a weakening of constraints on presidential action. Whereas ‘Trump 1.0’ faced domestic and international limits, and Biden only partially restored multilateralism, ‘Trump 2.0’ pursues a far more radical and unconstrained agenda. These policies reshape international institutions and the broader international order, posing both risks and limited opportunities for the EU. The chapter outlines three strategic responses for the EU: reflex, resistance and reconfiguration, applied across the volume’s three scenarios. Keywords: United States; Trump administrations; European Union; international institutions; multilateralism