Top 7 Nuclear Power Nations in the World

2. Russia:  A northern Eurasian nation, Russia has the largest accumulation of nuclear weapons in the world. It has the second largest fleet of ballistic missile submarines and is the only country apart from the United States with a modern strategic bomber force.

Before the Soviet Union collapsed, its arsenal included 45,000 nuclear warheads. However, at present, Russia possessed an estimated 8,420 total nuclear warheads, of which 1,720 are strategically operational, 1,070 warheads are assigned to land-based missiles, 350 are assigned to nuclear submarines and 300 are ready to be deployed on aircraft.

3. United Kingdom: A land of kings and queens, the United Kingdom, was the third country to test independently developed nuclear weapons, in October 1952. It is one of the five nuclear-weapon states under the Non-Proliferation Treaty and a permanent member of the UN Security Council. This country is thought to maintain a stock of around 225 thermonuclear warheads, of which 160 are operational. Since 1998, the Trident programme has been the only operational nuclear weapons system in British service.
The United Kingdom was the third nation in the world after the United States and Soviet Union to improve and test an atomic weapon. The British government proclaimed a shift to the present framework to happen by 2024.

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