Nations Which Have Possessed Nuclear Weapons
- United States of America (1945)
First test: Trinity; July 1945; New Mexico, U.S.
Most recent test: Clark Bridge; April 2018; North Pacific Ocean
- Union of Soviet Socialist Republics (1949)
First test: RDS-1; August 1949; Kazakh SSR
Most recent test: Solidarnost; July 2019; Kazakh SSR
- United Kingdom of Great Britain and Northern Ireland (1952)
First test: Operation Hurricane; October 1952; Australia
Most recent test: Royal Thunder; January 2008; North Pacific Ocean
- Republic of France (1960)
First test: Gerboise Bleue; February 1960; Algeria
Succeeded by European Federation (2010)
- People's Republic of China (1964)
First test: 596; October 1964; Xinjiang
Most recent test: #116; April 2016; Subterranean Xinjiang
- Republic of India (1974; e. 1999)
First test: Smiling Buddha; May 1974
Final use: Indo-Pakistani War of 1999; against Pakistan
- State of Israel (1980)
First test: unnamed test; mid-1980; South Indian Ocean
Final use: Islamic War; against Arab tactical targets in Jordan
Succeeded by Levantine Confederation (2004)
- Islamic Republic of Pakistan (1994; d. 1999, expended in Kargil War or in Black April attacks)
First test: Kirana; September 1994
Final use: Black April attacks, April 2002, multinational
- Levantine Confederation (2004)
Inherited atomic arsenal from State of Israel
First test: Unity, September 2004, Libyan Desert
- People's Republic of Korea (2006)
First test: Joseon, July 2006, Northern Korea
- Federal Republic of Germany (2009)
First test: Einigkeit, October 2009, Kazakh SSR
- European Federation (2010)
Inherited arsenal from Republic of France
First test: Europa, June 2010, South Atlantic
Known Active Nuclear Programs
- None as of 2030
Known Nuclear Sharing
-
NATO Nuclear Sharing (via United States
)
Commonwealth of Canada
Kingdom of Denmark
Kingdom of Norway
Kingdom of Sweden
Republic of Iceland
Republic of Finland
- CETO Nuclear Sharing (via Germany
)
Republic of Poland
Republic of Czechoslovakia
Republic of Hungary
Socialist Federal Republic of Yugoslavia
Republic of Romania