Agents of prevention,hazard mitigation,and recovery against disaster are categorized into 1)public sector (local governments / national governments),2)community sector,and 3)private sector (individual / family).It is necessary to have Disaster Risk Communication toward the decision makers of each sector from the experts of disaster prevention and recovery.In each sector,decision makers will have their peculiar psychological biases and the risk communication should be adjusted according to their peculiarity.In Japan today,community and family function countering disasters are diminishing and institutionalized voluntary aids (and individuals decision making) are becoming relatively important.