The unsustainable federal budget outlook will inevitably push entitlement reform to the forefront of the national policy debate. As America’s leaders consider reform options, they will have much to learn from the experience of other developed countries, several of which have recently enacted far-reaching overhauls of their state pension systems that greatly reduce the long-term fiscal burden of their aging populations. Lessons from Abroad for the U.S. Entitlement Debate places America’s aging challenge in international perspective, examines the most promising reform initiatives in nine other developed countries, and draws practical lessons for U.S. policymakers.