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Nuclear power accounts for 6.3% of world's total primary energy supply or 16% of world's total electricity production.
The world's power needs could be met with 7500 well placed reactors.
I think you must mean how much energy can nuclear power supply , not use, and it is in the world-where else? In the US there are about 100 nuclear reactors and they supply about 20 percent of the nation's electricity
Nuclear power is considered to be incredibly strong. Many people would argue that the power from nuclear power is the strongest in the world.
20% of the worlds power is generated by nuclear power
No but the U.S. is the strongest nuclear power.
For electricity, about 16 percent
The US generates about 20% of its electric power from nuclear power.
32 countries in the world are using nuclear electric power.
In 2007 it was about 2600 Terawatthours. See the link below for how this figure is arrived at for all countries with nuclear power
Nuclear power stations.
a lot