Nuclear powers increasing deployment of warheads, SIPRI warns
SIPRI said about 4,012 warheads were deployed worldwide as major powers modernize arsenals and take more weapons out of storage.
- On Monday, the Stockholm International Peace Research Institute released its 2026 annual report revealing that all nine nuclear-armed countries modernized and expanded their arsenals throughout 2025.
- Hans Kristensen of the Federation of American Scientists said states are "flexing their nuclear muscles," warning that major powers are "walking away" from disarmament commitments and creating new risks.
- China modernized its nuclear forces faster than any other country, increasing its stockpile to about 620 warheads and constructing 775 land-based missile silos as of January.
- Germany has begun talks with France on closer cooperation in nuclear deterrence, as President Donald Trump repeatedly casts doubt on NATO commitments following the New START treaty's February expiration.
- North Korea continues expanding its capabilities with about 60 assembled warheads, while Russia and the United States combine for about 83% of all deployable nuclear warheads worldwide.
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51 Articles
World facing increased nuclear risk – researchers
STOCKHOLM — Researchers warned on Monday that nuclear-armed states were taking their arms out of storage and putting them on delivery systems, as the weapons of mass destruction are playing an increased role in global politics.The Stockholm International Peace Research Institute (Sipri) said the world’s powers had an estimated total of 12,187 warheads, with about 9,745 of them in stockpiles for potential use.That was a marginal decrease compared…
The Nuclear Powers, Led by Russia and the US, Expand Their Arsenals and Raise the Risk of Escalation
As of January 2026, the global inventory stood at about 12,187 warheads, of which about 9,475 were available for potential use. More information: Washington allies doubt the U.S. nuclear umbrella, according to a report sent to the Capitol
The Stockholm Peace Research Institute Sipri has warned against a growing role of nuclear weapons in international security policy.
9745 operational warheads worldwide: Sipri peace researchers sound the alarm – and Germany is looking for new nuclear protection.
All nine nuclear powers - the United States, Russia, the United Kingdom, France, China, India, Pakistan, North Korea and Israel - continued to modernize their nuclear arsenals in 2025, the Stockholm International Peace Research Institute (SIPRI) said in a report released on Monday. Most of these countries also deployed new nuclear systems or potential nuclear weapon delivery systems.
Nuclear weapons are coming out of warehouses and being integrated into launch systems. Nuclear powers are abandoning non-proliferation programmes and accelerating the modernization of their arsenals, leading the world to an increase in nuclear risk. The annual report of the Stockholm Peace Research Institute (Sipri) records an increase in the arms race and the growing importance of nuclear weapons in international security policy. The main chang…
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