Nuclear Proliferation

What is Nuclear Proliferation?

Andrew Crabtree
5 min readFeb 20, 2024

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Nuclear proliferation is the spread of nuclear weapons, nuclear technology, fissionable material and nuclear weapons-making information to the countries that do not possess these.

The nuclear non-proliferation treaty has recognised the countries that have nuclear weapons as “Nuclear Weapon States (NWS)” and those that do not possess nuclear weapons as “Non-Nuclear Weapon States (NNWS)”. Hence, nuclear proliferation takes place when the NWS pass their nuclear weapons and technology to the NNWS.

KEY TAKEAWAYS

  • Nuclear Proliferation makes the information on nuclear weapons, technology and material available to Non-Nuclear Weapons States.
  • The Non-Proliferation Treaty that came into force in March 1970 is legally binding.
  • There are 190 Non-Nuclear Weapon States and 5 Nuclear Weapon States; US, Russia, UK, China and France.
  • In 1993 North Korea became the only State to withdraw from the Non-Proliferation Treaty.
Photo by Mathias Reding on Unsplash

What is the Nuclear Non-Proliferation Treaty?

The Treaty on the Non-proliferation of Nuclear Weapons (NPT) is a legally binding international treaty signed on 1st July 1968 and came into force in March 1970.

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Andrew Crabtree

I write about what I'm currently geeking-out over. What I read, watch and listen to, as well as my experiences as a Dad, Husband and Nuclear Energy Consultant.