In this interdisciplinary volume, a group of prominent international scholars considers alternative political formations to the nation-state, discussing their ability to preserve and expand the achievements of democratic constitutionalism in the twenty-first century and their capacity to deal with deep societal differences. The essays in Forms of Pluralism and Democratic Constitutionalism address an important new topic with clarity and substance. All in all, this is an extraordinary book which incorporates the very best of scholarship on a significant topic, constitutionalism and pluralism, and is fundamental reading for the current debates in political theory, law, sociology, and political philosophy.