The status of nuclear forces (estimated, as of January 2022)
Stockholm International Peace Research Institute (SIPRI), who signed the MOU with Hiroshima Prefecture, launches the SIPRI YEARBOOK 2022 and announces the latest status of nuclear forces.
As of January 2022, the total number of nuclear stockpile is 12,705. It decreases 375 compared with the number for January 2021. The U.S. and Russian nuclear stockpiles together continue to constitute around 90 percent of the total.
The SIPRI Yearbook analyzes that the declining “is primarily due to the USA and Russia dismantling retired warheads. Global reductions of operational warheads appear to have stalled, and their numbers may be rising again.”
While the numbers of the U.S. and Russian nuclear stockpiles decrease, India increases the size of its nuclear weapon inventory. North Korea has assembled up to 20 warheads, which have been included in the global totals for the first time.
(As of January 2022)
(As of January 2021)
..= not applicable or not available; – =nil or a negligible value; =uncertain figure.
Source: SIPRI YEARBOOK 2022
Number of Nuclear Weapons (1945 – 2021)
Please see Hiroshima Report 2022 about the status of Nuclear Disarmament, Non-Proliferation and Nuclear Security in 2021.
The status of nuclear weapons
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