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Contents

SIPRI Yearbook 2021

SIPRI Yearbook 2021

III. British nuclear forces

Chapter:
10. World nuclear forces
Source:
SIPRI Yearbook 2021
Author(s):
Hans M. Kristensen, Matt Korda

As of January 2021, the United Kingdom’s nuclear weapon inventory consisted of approximately 225 warheads (see table 10.4).1 In its 2015 Strategic Defence and Security Review (SDSR), the British Government reaffirmed its intention to cut the size of the nuclear arsenal. By that time, the number of operationally available nuclear warheads had already been reduced from fewer than 160 to no more than 120, and the overall size of the nuclear weapon inventory, including non-deployed warheads, was intended to decrease from no more than 225 in 2010 to no more than 180 by the mid 2020s.2 These plans changed following the Integrated Review of Security, Defence, Development and Foreign Policy undertaken in 2020 and published in early 2021, which increased the ceiling for the nuclear weapon inventory to 260.3

Citation (MLA):
Kristensen, Hans M., and Matt Korda. "10. World nuclear forces." SIPRI Yearbook. SIPRI. Oxford: Oxford University Press. 2016. Web. 20 Oct. 2021. <https://www.sipriyearbook.org/view/9780192847577/sipri-9780192847577-chapter-010-div1-054.xml>.
Citation (APA):
Kristensen, H., & Korda, M. (2016). 10. World nuclear forces. In SIPRI, SIPRI Yearbook 2021: Armaments, Disarmament and International Security. Oxford: Oxford University Press. Retrieved 20 Oct. 2021, from https://www.sipriyearbook.org/view/9780192847577/sipri-9780192847577-chapter-010-div1-054.xml
Citation (Chicago):
Kristensen, Hans M., and Matt Korda. "10. World nuclear forces." In SIPRI Yearbook 2021: Armaments, Disarmament and International Security, SIPRI. (Oxford: Oxford University Press, 2016). Retrieved 20 Oct. 2021, from https://www.sipriyearbook.org/view/9780192847577/sipri-9780192847577-chapter-010-div1-054.xml
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