Nuclear forces development
World nuclear forces, January 2013
|Country||Year of first nuclear test||Deployed warheadsa||Other warheadsb||Total Inventory|
|United States||1945||2 150c||5 550||~7 700d|
|Russia||1949||~1 800||6 700e||~8 500f|
Shannon N. Kile, 'World Nuclear Forces', SIPRI Yearbook 2013 (Oxford University Press: Oxford, 2013).
a ‘Deployed’ means warheads placed on missiles or located on bases with operational forces.
b These are warheads in reserve, awaiting dismantlement or that require some preparation (e.g. assembly or loading on launchers) before they become fully operationally available.
c In addition to strategic warheads, this figure includes nearly 200 non-strategic (tactical) nuclear weapons deployed in Europe.
d This figure includes the US Department of Defense nuclear stockpile of c. 4650 warheads and another c. 3000 retired warheads that are awaiting dismantlement.
e This figure includes c. 700 warheads for nuclear-powered ballistic missile submarines (SSBNs) in overhaul and bombers, 2000 non-strategic nuclear weapons for use by short-range naval, air force and air defence forces, and c. 4000 retired warheads awaiting dismantlement.
f This includes a military stockpile of c. 4500 nuclear warheads and another c. 4000 retired warheads await dismantlement.