Abstract
While we generally take it for granted that governments should provide social welfare and other benefits to their citizens, justification of these services depends on special moral requirements people owe to their compatriots, as opposed to inhabitants of other countries, who may be far more needy. While widely discussed defenses of compatriot preferences can be seen to be flawed, the latter may be justified through a public goods argument. Security and other public goods are not only necessary for acceptable lives but are provided through the cooperative activity of compatriots, coordinated and enforced by the state. Because the necessary public goods require general cooperation throughout society, all individuals who are required to comply should have rights to participate in decisions about the form in which they are provided. Because these political rights must be substantive rather than merely formal, they justify requirements of distributive justice and so compatriot preferences