Britain to boost nuclear stockpile 
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Britain will grow its nuclear stockpile by a third, to 260 warheads, to ensure its security in a more risky global environment while facing new threats from states with conflicting values
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Nuclear arms control treaties*

Warheads (thousands) 

United States 
Soviet/Russia
Total
   
NPT Jul 1968 
SALT I  May 1972
SALT II Jun 1979 
INF Dec 1987
START I   Jul 1991
START II  Jan 1993
SORT May 2002
New START Apr 2010


70       
60
50
40
30
20
10
0

1965 70 75 80 85 90 95 2000 05 10 15 2020

9,399 45,000 20,000  6,375
29,561 23,317 10,457 5,800
39,429 69,368 31,448 13,420


Aug 2019: U.S. quits INF treaty
 
Feb 2021: New START extended
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Warheads (2020 estimates)
India 150, Israel 90, North Korea 30-40

 Russia 6,375
 China 320 
 UK 195
      
 United States 5,800 
 France 290 
 Pakistan 160
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*NPT: Non-Proliferation Treaty. SALT I, SALT II: Strategic Arms Limitation Treaty INF: Intermediate-Range Nuclear Forces Treaty
START I, START II, New START: Strategic Arms Reduction Treaty SORT: Strategic Offensive Reductions Treaty
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Sources: Bulletin of the Atomic Scientists, Federation of American Scientists © GRAPHIC NEWS