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SIPRI: Global Deployed Nuclear Warheads Rise as Russia Reaches Highest Level Since 2017

The shift to more warheads ready on launchers, together with the February 2026 lapse of New START, increases secrecy around forces and raises the risk of regional escalation.

Overview

  • SIPRI reports that as of January 2026 Russia held about 5,420 warheads overall with 1,796 warheads deployed on launchers, the highest deployed total since 2017.
  • The institute estimates roughly 12,187 warheads worldwide and about 4,012 deployed on missiles and at bomber bases, a year‑on‑year rise in operational stocks despite ongoing dismantlement of retired weapons.
  • New START expired in February 2026 and was not replaced, removing a key bilateral transparency mechanism and making external verification of U.S. and Russian strategic deployments harder.
  • SIPRI documents continuing modernization and new deployments—including Russia’s reported use of Oreshnik-capable systems in Belarus and growing Chinese missile forces—which keep more warheads tied to launchers even as some programs face delays.
  • Analysts warn the change matters for people near flashpoints because more deployed warheads, looser doctrine and reduced transparency make fast escalation likelier and complicate crisis management between nuclear-armed states.