Why?
Because it has over 160 Nuclear reactors to produce Plutonium and Tritium. This rapidly alows engineers to construct more warheads.
Russia
The country with the biggest stock of nuclear weapons, and hence, the biggest productor is the Russian Federation. They have over 12,000 nuclear warheads.
The Russian Federation has the most nuclear weapons as of 2010 (Se Guiness World Records Book 2010
Russia
RussiaUS
Because nuclear weapons are the most deadly of all weapons and can kill hundreds of thousands of people at once. Also, people will always get suspicious if a country is secretly making nuclear weapons e.g. Iran and USA. IF one country wants to build nuclear weapons then their neigh ours would want to too
From 1945 until the late 1970s or early 1980s the United States always had the most nuclear weapons. After then the USSR/Russia has had the most nuclear weapons.
Russia
The country with the biggest stock of nuclear weapons, and hence, the biggest productor is the Russian Federation. They have over 12,000 nuclear warheads.
According to my research the most weapons country is the United States currently owns 9,600 nuclear weapons, while Russia currently owns 16,800. But Russia actually always had more nuclear weapons than the United States.
Most countries have zero nuclear weapons.
Japan doesn't want any nuclear weapons.But Japan can easily produce nuclear weapons if it wanted to. It has the technology to build nuclear weapons within 1 year-- probably a few months if it wanted.However, most Japanese people are against nuclear weapons. Therefore, they do not have nuclear weapons.
No one. Most countries do not export nuclear weapons. Instead, the countries obtain (1) nuclear technology and (2) radioactive material and build it themselves.
The Russian Federation has the most nuclear weapons as of 2010 (Se Guiness World Records Book 2010
America has the most nuclear weapons
Russia
As the category for this question is "Nuclear weapons", I'm presuming it refers to nuclear arms.As of 2012, the three countries with the largest stockpiles of nuclear weapons are, in order from most to least:RussiaUnited StatesFrance