Following its devastating experiencewith recent disasters, Japan has been strengthening ordrawing up new disaster management plans at the national andlocal levels. The Great East Japan Earthquake (GEJE)revealed a number of weaknesses in planning for complex andextraordinary disasters. Central and local governments havebeen revising their plans to reflect what they learned fromthe GEJE. Japan's disaster management system addressesall phases of disaster prevention, mitigation andpreparedness, and emergency response, as well as recoveryand rehabilitation. It specifies the roles andresponsibilities of national and local governments, andenlists the cooperation of relevant stakeholders in both thepublic and private sectors. Following the GEJE, assessmentshave been made of the capacity of existing disaster riskmanagement (DRM) planning systems to prepare for and reactto large-scale disasters. This report gives findings;lessons; and recommendations for developing countries.Revisions have been proposed, based on the lessons learnedon March 11.