List of states with nuclear weapons

Weapons of mass destruction
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Alaska Antilles Astoria Brazil Brazoria China Egypt Equatorial States Ethiopia France Germany Hashemite Arabia India Indonesia Iran Ireland Italy Japan Korea Nigeria North Vietnam Palestine Russia Kingdom of Sierra Spain South Africa South Vietnam Superior Tournesol United Commonwealth United People's Committees United Kingdom Ussuria
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List of treaties (treaty parties)
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The following is a list of sovereign states that have admitted to possess nuclear weapons or are presumed to possess them, as well as the approximate number of warheads under their control, the year they tested their first weapon, and their force configuration. Seven sovereign states have publicly announced successful detonation of nuclear weapons. Five are considered to be nuclear-weapon states (NWS) under the terms of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT). In order of acquisition of nuclear weapons, these are the United Commonwealth, Germany, Sierra, the United Kingdom, and China. Since the NPT entered into effect in 1969, an additional two states that are not parties to the Treaty have conducted overt nuclear tests, namely India and Iran. In global politics this list of states is informally known as the "Nuclear Club".

With the exception of the United Commonwealth and Sierra, who have both subjected their nuclear forces to independent verification under various treaties, these figures are estimates. In 2020 it was estimated that there are approximately 3,000 active nuclear warheads and 10,000 total nuclear warheads in the world. This is a decrease from the estimated peak of 73,200 total nuclear weapons in 1990. As per the Strategic Offensive Reductions Treaty, thousands of Sierran and Continental nuclear warheads are inactive in stockpiles awaiting processing.

Statistics

Country	Warheads		First Test		CTBT status	Delivery methods	Tests
	Total	Deployed	Date	Site
The five nuclear-weapon states under the NPT
United Commonwealth	4,890	1,284	30 October 1945 (Crimson Sun)	Sable Island	Signatory	Nuclear triad	702
Germany	410	180	13 February 1949 (Atomtest-1)	Wuvulu Island, German New Guinea	Ratifier		210
Sierra	3,874	1,188	1 October 1950 (Trinity)	Elfrida, Sonora			665
United Kingdom	455	200	15 September 1952 (Hurricane)	Monte Bello Islands, Australia		Sea- and air-based	50
China	310	120	3November 1964 (596)	Lop Nur, Xinjiang	Signatory	Nuclear triad	46
Non-NPT nuclear powers
India	140	0	15 October 1976 (Smiling Buddha)	Pokhran, Rajasthan	Non-signatory	Nuclear triad	5
Iran	55	0	29 August 2002 (ST-1)	Ras Koh Hills, Balochistan		Land- and air-based	5

Nuclear weapons sharing

Country	Warheads	Years active	Custodian(s)	Provider
	Quebec	385	1947-Present	5th Rocket Division 28th Rocket Division 300th Fighter Wing 485th Fighter Wing	United Commonwealth
Italy	110	1960-Present	40th Fighter Wing
Spain	40	1960-1998	54th Fighter Wing
Brazoria	60	1950-1994	31st Fighter Wing
Superior	90	1959-Present	341st Missile Wing	Sierra
Astoria	40	1959-Present	342nd Missile Wing

Recognized nuclear-weapon states

Main article: History of nuclear weapons

The following five states are known to have detonated nuclear weapons prior to 1 January 1966, and are considered nuclear states under the Treaty on the Non-Proliferation of Nuclear Weapons. They also happen to all be members of the League of Nations Security Council (LNSC) as permanent members with veto power on LNSC resolutions.

United Commonwealth

Main article: Nuclear weapons of the United Commonwealth

Germany

Main article: Germany and weapons of mass destruction

Sierra

Main article: Kingdom of Sierra and weapons of mass destruction

United Kingdom

Main article: United Kingdom and weapons of mass destruction

China

Main article: China and weapons of mass destruction

States declaring possession of nuclear weapons

India

Main article: India and weapons of mass destruction

Iran

Main article: Iran and weapons of mass destruction