S9/10Geopolitical

Nuclear powers increasing deployment of warheads, SIPRI warns

The world’s nuclear-armed states are increasingly moving warheads from storage onto operational delivery systems, raising the risk of conflict despite a gradual decline in overall stockpiles, researchers warned on Monday. SIPRI said geopolitical rivalry and a new arms build-up could reverse decades of reductions in nuclear arsenals.

07 Jun 2026, 22:42 UTCSource: France24Original source
⚠️ This is a probabilistic forecast, not a guarantee. Accuracy is measured only on resolved scenarios; monitor confirmation indicators below.
A
Escalation81% model probability

Confirmation indicators

  • A public statement from the US or Russia directly threatening another country's nuclear capabilities. Increased NATO activity near Russian borders.
  • Time horizon: 30
Horizon: 30–60 days
B
Status quo14% model probability

Confirmation indicators

  • A public statement from the US or Russia directly threatening another country's nuclear capabilities. Increased NATO activity near Russian borders.
  • Time horizon: 30
Horizon: 30–60 days
C
De-escalation5% model probability

Confirmation indicators

  • A public statement from the US or Russia directly threatening another country's nuclear capabilities. Increased NATO activity near Russian borders.
  • Time horizon: 30
Horizon: 30–60 days