Nuclear Energy Around the World

As of February 2009, 30 countries worldwide were operating 436 nuclear reactors for electricity generation and 45 new nuclear plants were under construction in 14 countries.

• World Nuclear Power Plants in Operation
• World Nuclear Generation and Capacity
• Nuclear Units Under Construction Worldwide

Nuclear power plants provided about 14 percent of the world's electricity production in 2007. In total, 16 countries relied on nuclear energy to supply at least one-quarter of their total electricity. Countries generating the largest percentage of their electricity in 2007 from nuclear energy were:

Country	Percent
France	76.8
Lithuania	64.4
Slovakia	54.3
Belgium	54.0
Ukraine	48.1
Sweden	46.1
Armenia	43.5
Slovenia	41.6
Switzerland	40.0
Hungary	36.8
S. Korea	35.3
Bulgaria	32.1