Pakistan and China continue to produce nuclear weapons and have increased their stockpile in the last one year even as India has maintained the same number in its arsenal as it had in the beginning of 2018. While Pakistan has approximately 150-160 nuclear weapons in its arsenal, China boasts of 290 with India having just 130-140 bombs, according to The Stockholm International Peace Research Institute (SIPRI) Yearbook 2019 released on Monday.

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China possessed 280 nuclear bombs in the beginning of 2019 but has now increased it to 290. Similarly, Pakistan's stockpile has gone up from 140-150 to 150-160, Israel 80 to 80-90 and North Korea has doubled its arsenal from 10-20 to 20-30.

On the other hand, India has 130-140 nuclear bombs, the same number that it had at the start of 2018.

"China, India and Pakistan are increasing the size of their nuclear arsenals. ‘India and Pakistan are expanding their military fissile material production capabilities on a scale that may lead to significant increases in the size of their nuclear weapon inventories over the next decade," says Shannon Kile, Director of SIPRI’s Nuclear Disarmament, Arms Control and Non-proliferation Programme.


But The SIPRI Yearbook 2019 claims that the number of nuclear weapons in the beginning of 2019 has actually decreased from 2018. Nine countries - the United States of America, Russia, the United Kingdom, France, China, India, Pakistan, Israel and the Democratic People’s Republic of Korea (North Korea) - have approximately 13,865 nuclear weapons, which is a decrease of 600 from the number of bombs (14,465) at the start of 2018.

"The decrease in the overall number of nuclear weapons in the world is due mainly to Russia and the USA - which together still account for over 90 per cent of all nuclear weapons - further reducing their strategic nuclear forces pursuant to the implementation of the 2010 Treaty on Measures for the Further Reduction and Limitation of Strategic Offensive Arms (New START) while also making unilateral reductions. In 2018, Russia and the USA announced that they had achieved the final New START force reduction limits by the specified deadline," the report states.


Country Deployed warheads* Other warheads** Total 2019 Total 2018
USA 1 750 4 435 6 185 6 450
Russia 1 600 4 900 6 500 6 850
UK 120 80 200 215
France 280 20 300 300
China   290 290 280
India   130–140 130–140 130–140
Pakistan   150–160 150–160 140–150
Israel   80-90 80–90 80
North Korea .. .. (20–30) (10–20)
Total 3 750 10 115 13 865 14 465

Source: SIPRI Yearbook 2019
* ‘Deployed warheads’ refers to warheads placed on missiles or located on bases with operational forces. 
** ‘Other warheads’ refers to stored or reserve warheads and retired warheads awaiting dismantlement. 


While six countries have either reduced or maintained the same number of nuclear weapons in their arsenal in the beginning of 2019 compared to 2018, four countries - China, Pakistan, Israel and North Korea - have increased the number of bombs. 

A total of 3,750 nuclear weapons out of the13,865 bombs are deployed with operational forces and almost 2,000 are in a state of high operational alert.

New START will expire in 2021 unless both parties agree to extend it. There are currently no discussions about extending New START or negotiating a follow-on treaty. ‘The prospects for a continuing negotiated reduction of Russian and US nuclear forces appears increasingly unlikely given the political and military differences between the two countries,’ says Shannon Kile, Director of SIPRI’s Nuclear Disarmament, Arms Control and Non-proliferation Programme.

Both Russia and the USA have extensive and expensive programmes underway to replace and modernize their nuclear warheads, missile and aircraft delivery systems, and nuclear weapon production facilities. In 2018, the US Department of Defense set out plans to develop new nuclear weapons and modify others to give them expanded military roles and missions.