SIPRI (Stockholm International Peace Research Institute)
The Stockholm International Peace Research Institute, an independent institute researching armaments, military spending, arms transfers, conflict and arms control.
At a glance
- Entity level
- Organisation
- Type
- Non-profit or think tank
- Also known as
- Stockholm International Peace Research Institute
- Flagship output
- SIPRI Yearbook (latest: SIPRI Yearbook 2026, 8 June 2026)
- Category
- Systemic & global risk reports
- Also covers
- Geopolitical & political risk
- Tier
- Tier 1: Reference data on military spending, arms, nuclear forces
- Headquarters
- Stockholm, Sweden
- Coverage
- Arms, military expenditure, conflict, nuclear
- Public access
- Free
- Latest activity seen
- 8 Jun 2026
- Evidence
- Verified
How it produces intelligence
Open-source datasets on military expenditure, arms transfers and nuclear forces, with expert analysis compiled in an annual yearbook.
Risk themes
Focus regions
Leadership
- Karim Haggag, Director
- Hans M. Kristensen, Associate Senior Fellow, Weapons of Mass Destruction Programme
Links
What it publishes
| Output | Type | Cadence | Latest edition | Date | |
|---|---|---|---|---|---|
| SIPRI Yearbook | Annual outlook | Annual | SIPRI Yearbook 2026 | 8 Jun 2026 | Read report |
| Military Expenditure Database | Dataset | Annual | Read report |
Latest findings
Recent public risk calls by SIPRI (Stockholm International Peace Research Institute), summarised in our own words. They are its views, not 311's. Follow each source for the original.
World nuclear inventory estimated at 12,187 warheads in January 2026, about 9,745 in military stockpiles and roughly 4,012 deployed.
8 Jun 2026 · Horizon: 2026 · Source: Increasing focus on nuclear weapons amid heightened escalation risks, new SIPRI Yearbook out nowChina's arsenal (about 620 warheads) is growing fastest; it could match US or Russian ICBM numbers by around 2030.
8 Jun 2026 · Horizon: to 2030 · Source: Increasing focus on nuclear weapons amid heightened escalation risks, new SIPRI Yearbook out nowThe long post-Cold War fall in warhead numbers is likely to reverse as dismantlement slows and all nine nuclear states modernise.
8 Jun 2026 · Horizon: coming years · Source: Increasing focus on nuclear weapons amid heightened escalation risks, new SIPRI Yearbook out nowNew START expired in February 2026 and the May 2026 NPT Review Conference ended without agreement, the third consecutive failure.
8 Jun 2026 · Horizon: 2026 · Source: Increasing focus on nuclear weapons amid heightened escalation risks, new SIPRI Yearbook out now
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Questions about SIPRI (Stockholm International Peace Research Institute)
What is SIPRI (Stockholm International Peace Research Institute)?
The Stockholm International Peace Research Institute, an independent institute researching armaments, military spending, arms transfers, conflict and arms control.
How does SIPRI (Stockholm International Peace Research Institute) produce its intelligence?
Open-source datasets on military expenditure, arms transfers and nuclear forces, with expert analysis compiled in an annual yearbook.
Where is SIPRI (Stockholm International Peace Research Institute) based?
SIPRI (Stockholm International Peace Research Institute) is based in Stockholm, Sweden.
What does SIPRI (Stockholm International Peace Research Institute) cover?
Its work covers conflict & security, geopolitics, regulation & policy, with a focus on Global.
Profile compiled by the 311 Strategic Intelligence Unit from public sources. Last checked 21 Oct 2026. Listing is not a ranking or an endorsement. Evidence source. Is this your organisation? Request a correction.