The exact number is highly classified. It would be classified as Top Secret information. Both sides kept such things secret, while making it obvious to the other that the number is substantial.
The nuclear arms reduction treaties such as START do not restrict the number of weapons, only the number of vehicles (missiles, bombers) that can deliver them to their target. Many older nuclear weapons and missiles have been removed from service under various treaties.
The United States does not give or sell nuclear weapons to any country. The United States has stationed nuclear weapons on the territory of many countries, but always retained full control of them.
Many countries have nuclear weapons today including the United States. China, North Korea, South Korea, and Japan also have nuclear weapons.
Currently 9 countries possess nuclear weapons; The United States, United Kingdom, France, Russia, China, Israel, India, Pakistan and North Korea.
Yes, it is dangerous for the United States and the rest of the world because North Korea possesses nuclear weapons. However,we are doing many things to keep them in check.
The United States, Russia, China, France, and the United Kingdom are the five recognized nuclear-weapon states under the Treaty on the Non-Proliferation of Nuclear Weapons (NPT). Other countries suspected of possessing nuclear weapons include India, Pakistan, Israel, and North Korea.
Countries with nuclear power include the United States, France, China, Russia, and South Korea. Many other countries also have operational nuclear power plants, with the total number of countries relying on nuclear power for electricity generation being around 30.
No, China is not a nuclear-free zone. China possesses nuclear weapons and is one of the five recognized nuclear-weapon states under the Treaty on the Non-Proliferation of Nuclear Weapons.
While many countries have exploded test weapons, only the United States has ever used Nuclear weapons against an adversary. Two bombs were dropped on two cities in Japan Hiroshima and Nagasaki in 1945, to bring WWII to an end.
Only nine countries have confirmed nuclear weapons: United States, Russia (and several former USSR countries), United Kingdom, France, China, India, Pakistan, North Korea, and Israel. All of these have conducted known nuclear tests except for Israel. All other countries of the world do not have known nuclear weapons. To see a breakdown of how many weapons each of these countries is believed to have, see the "related links" below.
It is estimated that there are around 13,410 nuclear warheads worldwide, with the vast majority being in the arsenals of the United States and Russia. This includes both hydrogen bombs and other types of nuclear weapons.
Nobody. There have only been two nuclear weapons ever used in a time of war. Both were dropped on Japan at the end of WWII by the United States military. Many other countries have developed and tested their own nuclear weapons, but none have been used to kill.
It is estimated that there are currently around 13,400 nuclear warheads in the world, with a total explosive yield of approximately 4,000 megatons. These warheads are owned by various countries such as the United States, Russia, China, and others.