World Nuclear Weapons Stockpiles

Updated July 10, 2020 | Infoplease Staff

As of 2014, nine nations had nuclear weapon functionality. While all countries do not disclose the exact number of warheads, best estimates—compiled by the Stockholm International Peace Research Institute (SIPRI)—are below.

Country Year of first nuclear test Deployed warheads1 Other warheads Total Inventory
United States 1945 1,920 5,380 7,300
Russia 1949 1,600 6,400 8,000
United Kingdom 1952 160 65 225
France 1960 290 10 300
China 1964 .. 250 250
India 1974 .. 90-110 90-110
Pakistan 1998 .. 100-120 100-120
Israel .. .. 80 80
North Korea 2006 .. 6-8 6-8
Total   3,970 12,350 16,300
1. 'Deployed' means warheads placed on missiles or located on bases with operational forces.

Source: SIPRI Yearbook 2014, SIPRI

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