Nuclear power generation - country data from around the world:
The average for 2012 was 75.64 billion kilowatthours.
The highest value was in the USA: 769.33 billion kilowatthours and the lowest value was in Iran: 1.33 billion kilowatthours.
Below is a chart for all countries where data are available for: Nuclear power generation.
Definition: Nuclear electricity net generation (Net generation excludes the energy consumed by the generating units)