How many people died from use of nuclear bombs or reactors?

More than 50 people died directly in the Chernobyldisaster on 26 April 1986 in Ukraine (then part of USSR). Estimates of the number who died later from radiation and other sicknesses range from possibly 4,000 to close to a million.

No one died in the Three Mile Island accident in the US.

Two people died in the Tokaimura, Japan nuclear accident 30 September 1999. More than 660 workers and nearby residents were exposed to excess radiation, but it is not known how many later suffered sickness or cancers as a result.

There may have been several deaths from the Fukushi,Japan nuclear disaster on 11 March 2011. Numbers of people have been exposed to excess radiation.