Published: 20 September 2018Much of what political theorists have written about democracy over the past several decades presupposes, implicitly or explicitly, that democratic theorists need be concerned only with the ways in which citizens participate in the decision-making of their own states. In the last decade or so, however, this framework has become subject to increasing critical attention. The visibility of immigration as a public issue has brought into view the fact that every democratic state contains people who live within its boundaries but who are not citizens. Issues like climate change and the globalization of economic activities make it harder to assume that a given state’s decisions only affect its own citizens. Finally, vari...