Empirical analysis of two decades of pioneering pension and social security reform in Latin America and the Caribbean shows that much has been achieved, but that critical challenges remain. In tackling the unfinished agenda, a great deal can be learned from the reform experience of countries in the region.Keeping the Promise, produced by the chief economist's office in the Latin America and Caribbean Region at the World Bank, evaluates policy reforms in twelve countries, points to successes and shortcomings, and proposes priorities and options for future reform. The authors argue that poverty in old age can be prevented by relentless efforts to extend coverage to broader segments of society, and by encouraging personal savings. Keeping the Promiseis not a typical World Bank book on pensions. From a welcome emphasis on the individual and on the primary importance of poverty relief, this volume builds on careful analytics and new empirical evidence to document the successes and failures of pension systems in Latin America. The conclusions are well-argued, clear, andgiven their originsstriking. A heavyweight analysis of the Latin American pension revolution, which raises important questions about the optimal scale of compulsory saving when redesigning pension systems. This book evaluates pension and social security policy reforms in twelve countries in Latin America and the Caribbean, points to successes and shortcomings, and proposes priorities and options for future reform. The authors argue that preventing poverty in old age can be achieved by relentless efforts to extend coverage to broader segments of society, and by encouraging (though not necessarily mandating) personal savings.Indermit Gill is the Lead Economist for Human Development in the Latin America and Caribbean region of the World Bank. Truman Packard is an economist with the Human Development Department of the Latin America and Caribbean Region of the World Bank. Juan Yermo is an els.