Various forms of decentralization are recently pursued in the world, including developing countries. However, there has not been a coherent framework to access these intended outcomes generated by decentralization measures implemented in Asian and African countries. This book provides such a framework based on comparative analyses of different experiences of decentralization measures in six developing countries, where the policy rationale to “bring services closer to people” originated in different socio-political backgrounds. Although decentralization measures are potentially useful for attaining both political democratization and economic efficiency, what is often packaged under the umbrella of “decentralization” needs to be disaggregated analytically. Successful reforms need coherent approaches in which a range of stakeholders would become willing to share responsibilities and resources in order to achieve the ultimate outcome of poverty reduction in the developing countries.