This text examines the current state of affairs concerning the political recognition and constitutional accommodation of national plurality in liberal democracies in the global era of the 21st century. It features case studies on Belgium, Canada, Spain, UK and the European Union.

Since the end of the Second World War, a set of democratic European countries have established a decentralized system of government based on federal or regional patterns. Some of these systems initially displayed an asymmetrical trend, however, some democracies have implemented a subsequent process of re-symmetrization that changes the structure and the legitimization of the previous political agreements. Charting the evolution of decentralization processes and asymmetries implemented in Belgium, Denmark, Finland, France, Italy, Portugal, Russia, Spain, Ukraine and the United Kingdom, leading...