Stockholm International Peace Research Institute (SIPRI) who Hiroshima Prefecture signed the MOU with launches SIPRI YEARBOOK 2021 and announces the latest status of nuclear forces.

As of January 2021, the total number of nuclear stockpile is 13,080. It decreases 320 compared with the number of January 2020. 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. and Russian nuclear stockpiles decrease, the U.K., Chinese, Indian, Pakistan, North Korean nuclear stockpiles increase.

Country	Deployed warheads	Other warheads	Total inventory (As of January 2021)	Total inventory (As of January 2020)
U.S.	1,800	3,750	5,550	5,800
Russia	1,625	4,630	6,255	6,375
U.K.	120	105	225	215
France	280	10	290	290
China	–	350	350	320
India	–	156	156	150
Pakistan	–	165	165	160
Israel	–	90	90	90
North Korea	–	[40-50]	[40-50]	[30-40]
Total	3,825	9,255	13,080	13,400

Source: SIPRI YEARBOOK 2021

Please see Hiroshima Report about the status of Nuclear Disarmament, Non-Proliferation and Nuclear Security in 2020.

Hiroshima Report 2021

Information related to this page

The status of nuclear forces (estimates, as of January 2020)

Joint Research with International Research Institutes