Nuclear risks grow as new arms race looms.
The Stockholm International Peace Research Institute (SIPRI) today launches its annual assessment of the state of armaments, disarmament and international security. Key findings of SIPRI Yearbook 2025 are that a dangerous new nuclear arms race is emerging at a time when arms control regimes are severely weakened. Read this press release in Catalan (PDF) , French (PDF) , Spanish (PDF) or Swedish (PDF) . Download the Summary of SIPRI Yearbook 2025 . Download the introduction of SIPRI Yearbook 2025 . Download the sample chapter of SIPRI Yearbook 2025 on world nuclear forces. Download the sample chapter of SIPRI Yearbook 2025 on armed conflict and conflict management. Download the sample chapter of SIPRI Yearbook 2025 on artificial intelligence and international peace and security. World’s nuclear arsenals being enlarged and upgraded Nearly all of the nine nuclear-armed states—the United States, Russia, the United Kingdom, France, China, India, Pakistan,...