Directly: 6. None from radiation. For example, 2 died because they were smoking a cigarette outside of the wall when the tsunami hit. http://www.japantimes.co

Directly: 6. None from radiation. For example, 2 died because they were smoking a cigarette outside of the wall when the tsunami hit. http://www.japantimes.co.jp/news/2012/05/25/news/radiation-didnt-cause-fukushima-no-1-deaths-u-n/ http://www.japantimes.co.jp/news/2012/05/25/news/radiation-d... The worst exposure outside of the plant was 10 millisievert, or about the same as a CAT scan. Inside the plant one worker got close to 500 millisievert exposure, or about what an astronaut can expect to receive during a 6 month stay in low earth orbit, or what you receive every 2 years living in Ramsar, Iran (a city where humans have lived -normally as far as is known- for thousands of years). TLDR: nobody died. Maybe 150 people will die a year or two sooner compared to if there was no incident. 4-5 people may experience more effects. For comparison, solar power (the next safest source of power) has killed more people even during the Fukushima disaster itself. Coal has killed over 100 people in the same time period.