I'm not sure if that is true. The US has 104 operating power reactors. I think if you add up those in Western Europe, in France, UK, Germany, Spain, Belgium for example, it will still be fewer. A good source of information is www.world-nuclear.org
No.
Yes, nuclear power stations are generally more efficient than coal power stations, as they can generate more electricity with the same amount of fuel. Nuclear power produces less waste and greenhouse gas emissions compared to coal power.
Levelized cost of kwh from a nuclear power plant is cheaper than from any fossil fueled power plants.
Yes
Canada has 7 nuclear power stations (some with more than one reactor) which produce about 15% of Canada's electrical power.
Wind power can be quite costly over time, but nuclear power creates wastes that cost a lot of money to dispose of, let alone getting the nuclear rods in the first place. However, nuclear power can provide much more power than wind power, so they are more or less equals.
Europeans might be less likely than Americans to support nuclear power because of the events at Chernobyl in 1986. Large swaths of Europe were exposed to dangerous levels of radiation due to wind patterns.
There are many more than three states in the US with nuclear plants. Go to www.nrc.gov for a complete list
Gas turbine power is more expensive per kilowatt-hour than nuclear power due to the higher fuel costs associated with natural gas compared to nuclear fuel (uranium). Nuclear power plants also have lower operating and maintenance costs and have a longer operational life, resulting in lower overall costs per kilowatt-hour. Additionally, nuclear power plants typically benefit from government subsidies and incentives that help lower the cost of production.
No. Nuclear power is more efficient because nuclear power is used as splitting atoms, making big bursts of energy, whereas coal power is simply burning coal. So nuclear power uses uranium fission to create energy (electricity), whereas coal power burns coal, emitting carbon. (Mind you, nuclear energy leaves behind radioactive waste - that is arguably easier to deal with for the time being. Not to mention that accidents at nuclear plants can have devastating environmental effects.
Getting it to work in a controllable continuous way and producing more power output than the power input.
Several countries utilize nuclear power more than the US, including France, which relies heavily on nuclear energy for electricity generation. Countries such as China and Russia also have significant nuclear power programs. However, there are also countries that utilize nuclear power less than the US, such as Germany and Japan, which have reduced their reliance on nuclear energy in recent years.