Suicide is a major public health problem and the number of suicide victims has exceeded 30,000 a year since 1998 in Japan. Suicide rate is almost 25/100,000, which are remarkably high numbers among advanced countries. To examine the effectiveness of community-based multimodal intervention program for suicide prevention, a trial by J-MISP (Japanese Multimodal Intervention Trials for Suicide Prevention). This research project is one of the strategic research projects funded by The Japanese Ministry of Health, Labor and Welfare.