This article adds to the emergent body of constitutional-theoretical research on populist government. It argues that constitutional analysis has specific importance in explaining the hostility to global legal norms that characterizes many populist or neo-nationalist polities. However, it argues that more classical perspectives in constitutional theory have not provided adequate explanations for this phenomenon. This is because constitutionalism itself misunderstands the sociological foundations

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... of constitutional democracy and it promotes normative models of democracy, based in theories of popular sovereignty and constituent power, which create a legitimational space in which populism can flourish. In contrast, this article sets out a historical-sociological account of national democracy, explaining how democracy has been formed through processes of global norm construction. As a result, the basic subjects imputed to democracy by both constitutionalism and populism only became real on global normative foundations. In advancing these claims, this article presents a global-sociological critique of populism, explaining that populism evolves where the realities of democratic formation enter conflict with the norms of constitutional theory. In so doing, it offers a sociological theory of constitutional democracy that might help to avert democratic self-subversion.