Sources
Every source cited across NukeClock articles, explainers, and country profiles. All analysis on this site is grounded in publicly available data from established research institutions, government reports, and credible news organizations.
69 unique sources41 publishers33 citing pages
Global Firepower(11 sources)
- Iran vs. Israel Military Comparison 2026(2026-01-01)
- China Military Strength(2026-01-01)
- France Military Strength(2026-01-01)
- India Military Strength(2026-01-01)
- Iran Military Strength(2026-01-01)
- Israel Military Strength(2026-01-01)
- North Korea Military Strength(2026-01-01)
- Pakistan Military Strength(2026-01-01)
- Russia Military Strength(2026-01-01)
- United Kingdom Military Strength(2026-01-01)
- United States Military Strength(2026-01-01)
Encyclopaedia Britannica(4 sources)
Iran War Updates(4 sources)
- Trump Promises More Strikes on Iran as U.S. Adds to Forces in Mideast(2026-03-02)
- Is Iran Going to Attack the US Today?(2026-03-01)Cited in:Geneva Nuclear Negotiations Collapse After US Demands Complete Enrichment Halt,Iran Closes Strait of Hormuz: 20% of Global Oil Supply Disrupted,Critical Infrastructure Targeted in Coordinated Cyber Campaign Before Iran Strikes,Regional Proxy Conflict Escalates as Iran's Network Activates Across the Middle East,Iran Launches Retaliatory Strikes on US Bases Across the Persian Gulf,Nuclear Threat Assessment: Where the Iran Crisis Goes From Here
- Iran Confirms Supreme Leader Khamenei Is Dead(2026-02-28)
- US, Israel Attack Iran Live: Trump Vows to Continue Attacks, Avenge Troops(2026-02-28)
Arms Control Association(3 sources)
Bulletin of the Atomic Scientists(3 sources)
- Chinese Nuclear Forces, 2025(2025-01-01)Cited in:China Nuclear Arsenal & Military Power Profile,France Nuclear Arsenal & Military Power Profile,India Nuclear Arsenal & Military Power Profile,Israel Nuclear Arsenal & Military Power Profile,North Korea Nuclear Arsenal & Military Power Profile,Pakistan Nuclear Arsenal & Military Power Profile,Russia Nuclear Arsenal & Military Power Profile,United Kingdom Nuclear Arsenal & Military Power Profile,United States Nuclear Arsenal & Military Power Profile
- Doomsday Clock - Bulletin of the Atomic ScientistsCited in:What Is the Doomsday Clock?
- Doomsday Clock Timeline
Council on Foreign Relations(3 sources)
International Atomic Energy Agency(3 sources)
BBC News(2 sources)
Congressional Research Service(2 sources)
Federation of American Scientists(2 sources)
- Status of World Nuclear Forces(2025-03-01)Cited in:China Nuclear Arsenal & Military Power Profile,France Nuclear Arsenal & Military Power Profile,India Nuclear Arsenal & Military Power Profile,Israel Nuclear Arsenal & Military Power Profile,North Korea Nuclear Arsenal & Military Power Profile,Pakistan Nuclear Arsenal & Military Power Profile,Russia Nuclear Arsenal & Military Power Profile,United Kingdom Nuclear Arsenal & Military Power Profile,United States Nuclear Arsenal & Military Power Profile
- Iran's Nuclear Program: StatusCited in:What Is Nuclear Breakout Time?
Wikipedia(2 sources)
- Iran-Israel conflict (disambiguation)(2026-03-03)
- Twelve-Day War(2026-03-03)
Al Jazeera(1 source)
BBC(1 source)
- Israel-Iran conflict explainer(2025-06-19)
Bloomberg(1 source)
Brennan Center for Justice(1 source)
Brown University Watson Institute(1 source)
Carnegie Endowment for International Peace(1 source)
CBC News(1 source)
- Israel vs. Iran Military Capabilities(2024-10-01)
CBS News(1 source)
CENTCOM(1 source)
- US Central Command Statement(2026-03-01)
Center for Strategic and International Studies(1 source)
CISA(1 source)
- Iran Cyber Threat Overview and Advisories(2026-02-26)
Clingendael Institute(1 source)
CNN(1 source)
CSIS(1 source)
Harvard University Press(1 source)
Military.com(1 source)
National Constitution Center(1 source)
NBC News(1 source)
- Live Updates: Iran War(2026-03-02)
NPR(1 source)
Nuclear Threat Initiative(1 source)
Reddit r/Israel(1 source)
Reuters via SWI swissinfo.ch(1 source)
SIPRI(1 source)
- SIPRI Yearbook 2025: World Nuclear Forces(2025-06-01)Cited in:China Nuclear Arsenal & Military Power Profile,France Nuclear Arsenal & Military Power Profile,India Nuclear Arsenal & Military Power Profile,Iran Nuclear Program & Military Power Profile,Israel Nuclear Arsenal & Military Power Profile,North Korea Nuclear Arsenal & Military Power Profile,Pakistan Nuclear Arsenal & Military Power Profile,Russia Nuclear Arsenal & Military Power Profile,United Kingdom Nuclear Arsenal & Military Power Profile,United States Nuclear Arsenal & Military Power Profile
Stanford University Press(1 source)
Stockholm International Peace Research Institute(1 source)
- SIPRI Nuclear Arsenals Database(2026-01-15)
Union of Concerned Scientists(1 source)
US Congress(1 source)
US Department of State Office of the Historian(1 source)
US Energy Information Administration(1 source)
- Strait of Hormuz Chokepoint(2019-06-20)
War Power Israel(1 source)
- Israel vs Iran Military Comparison(2025-01-01)
About Our Sources
NukeClock relies on publicly available data from established institutions including the Stockholm International Peace Research Institute (SIPRI), the Federation of American Scientists (FAS), the Bulletin of the Atomic Scientists, Global Firepower, and major news organizations. All nuclear warhead figures, military data, and conflict assessments are sourced from these organizations and cited inline throughout our content. If you believe a source is incorrect or outdated, please contact us.