This article explores the deadliest things in Japan, including natural disasters such as earthquakes, tsunamis and volcanic eruptions; traffic accidents; suicide; work-related accidents; homicides/violence; health issues/diseases and other lesser known causes. It is important to take necessary precautions such as creating emergency plans during natural disasters, practicing safe driving habits during traffic accidents, and seeking professional help during suicide attempts or mental health problems. By taking these steps we can hopefully reduce the impact that these deadly things have on our lives.