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Nuclear Energy Around the World

As of December 2011, 30 countries worldwide are operating 435 nuclear reactors for electricity generation and 63 new nuclear plants are under construction in 14 countries.

Nuclear power plants provided 13.5 percent of the world's electricity production in 2010. In total, 15 countries relied on nuclear energy to supply at least one-quarter of their total electricity. Countries generating the largest percentage of their electricity in 2010 from nuclear energy were:
 

 

Country    Percent
France    74.1
Slovakia    51.8
Belgium    51.1
Ukraine    48.1
Hungary    42.0
Armenia    39.4
Sweden    38.1
Switzerland    38.0
Slovenia    37.4
Czech Rep.    33.2
Bulgaria    33.0
Korea Rep.    32.2
Japan    29.2
Finland    27.5
Germany    27.3