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This is a list of nuclear weapons listed according to country of origin, and then by type within the states. The United States, Russia, China and India are known to possess a nuclear triad, being capable to deliver nuclear weapons by land, sea and air.
Oct 12, 2024 · A nuclear weapon is a device designed to release energy in an explosive manner as a result of nuclear fission, nuclear fusion, or a combination of the two. Fission weapons are commonly referred to as atomic bombs, and fusion weapons are referred to as thermonuclear bombs or, more commonly, hydrogen bombs.
- Concerns about the devastating effects of nuclear weapons have driven governments to negotiate arms control agreements. Some of the earliest ones i...
- The first test of a nuclear weapon occurred in the United States on July 16, 1945, at the Alamogordo Bombing Range in south-central New Mexico. The...
- The Soviet Union had the most nuclear weapons during the Cold War. The Soviet stockpile reached a peak of about 33,000 operational warheads in 1988...
- Fission bombs. The first type of nuclear bomb is the fission bomb or atomic bomb and was the only type ever to be used in war, according to PBS. Fission bombs, as the name suggests, are powered by nuclear fission, or the splitting of an atom, according to Britannica.
- Hydrogen bombs. Also called thermonuclear weapons, hydrogen bombs are the second type of nuclear bombs. Unlike atomic bombs, hydrogen bombs create energy through a process called nuclear fusion, according to Britannica.
- Radiological weapons. The third and final type of nuclear bombs are radiological weapons. Also called dirty bombs, these weapons are distinct from atomic and thermonuclear weapons in that they're unlikely to cause the deaths of millions of people, but can make the area uninhabitable, according to PBS.
There are two basic types of nuclear weapons: those that derive the majority of their energy from nuclear fission reactions alone, and those that use fission reactions to begin nuclear fusion reactions that produce a large amount of the total energy output.
- Few Countries Possess Nuclear Weapons, But Some Have Large Arsenals
- A LOF of Countries Have Given Up Obtaining Nuclear Weapons
- The Destructiveness of Nuclear Arsenals Has Declined
- Nuclear Weapons Tests Have Almost Stopped
- Nuclear Weapons Have Come Close to Being Used A Dozen Times Since World War II
- Many Countries Want to Limit Or Abolish Nuclear Weapons
Nine countries currently have nuclear weapons: Russia, the United States, China, France, the United Kingdom, Pakistan, India, Israel, and North Korea. These nuclear powers differ a lot in how many nuclear warheads they have. The chart shows that while most have dozens or a few hundred warheads, Russia and the United States have thousands of them. T...
The number of countries that possess nuclear weapons has never been higher. Only one country — South Africa — entirely dismantled its arsenal. But, as the chart shows, many more states considered or pursued nuclear weapons, and almost all of them stopped. In the late 1970s, more than a dozen countries considered or worked to acquire them. Recently,...
A simple count of the number of warheads, as shown in the previous chart, does not consider that these weapons differ in their explosive power. It also does not consider that not all of them can be used at once. The data shown in the following chart attempts to take this into account. It considers the destructiveness and deployment of nuclear warhe...
The nuclear weapons states frequently tested their warheads in the past, but tests now have almost ended. The chart shows that they peaked in 1962 at 178 tests, mostly conducted by the United States and the Soviet Union. These tests harmedthe environment and people, especially indigenous communities. Tests decreased later during the Cold War and ha...
After killing between 110,000 and 210,000 peoplein Hiroshima and Nagasaki in 1945, nuclear weapons have come close to being used more than a dozen times again.1 The chart below shows a timeline of such close calls.2We can see that some of them have been accidental, while others have been deliberate. You can learn more in our articleon the risks of ...
Countries have sought to reduce the threat posed by nuclear weapons through international cooperation. Most countries have approved the Partial and Comprehensive Nuclear-Test-Ban Treaties, which seek an end to nuclear weapons tests. The same goes for the Nuclear Non-Proliferation Treaty, whose objective is to prevent the spread of nuclear weapons. ...
Apr 29, 2015 · There are two basic types of nuclear weapons: those that only use nuclear fission reactions and those that use fission and fusion reactions. Fission weapons that obtain part of their explosive energy from nuclear fission reactions. They are usually called atomic bombs.
There are far fewer nuclear weapons now than at the height of the Cold War and the major nuclear powers have all signed up to the principle of disarmament. But there are fears of a renewed...
