Stockholm International Peace Research Institute (SIPRI) who Hiroshima Prefecture signed the MOU with launches SIPRI YEARBOOK 2020 and announces the latest status of nuclear forces.

As of January 2020, the total number of nuclear stockpile is 13,400. It decreases 465 compared with the number of January 2019. As same as the last year, the U.S. and Russian nuclear stockpiles together constitute more than 90 percent of the total. Although the U.S., Russian and French nuclear stockpiles decrease, the U.K., Chinese, Indian, Pakistan, Norh Korean nuclear stockpiles increase.

Country	Deployed warheads	Other warheads	Total inventory (As of January 2020)	Total inventory (As of January 2019)
U.S.	1,750	4,050	5,800	6,185
Russia	1,570	4,805	6,375	6,500
U.K.	120	95	215	200
France	280	10	290	300
China	–	320	320	290
India	–	150	150	130-140
Pakistan	–	160	160	150-160
Israel	–	90	90	80-90
North Korea	–	[30-40]	[30-40]	[20-30]
Total	3,720	9,680	13,400	13,865

Source: SIPRI YEARBOOK 2020

Please see Hiroshima Report about the status of Nuclear Disarmament, Non-Proliferation and Nuclear Security in 2019.

Hiroshima Report 2020

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The number of nuclear weapons

Joint Research with International Research Institutes