THE ROYAL UNITED SERVICES INSTITUTE FOR DEFENCE AND SECURITY STUDIES
Registration #210639 · Registered
www.rusi.orgdirector@rusi.org
RUSI WHITEHALL SW1A 2ET
RUSI is the UK's leading independent think tank on international defence and security. Its mission is to be an analytical research-led global forum for informing, influencing and enhancing public debate on a safer and more stable world.
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Financial History
Latest spending ratio: 99.7% of income spent on charitable work
| Year | Income | Spending | Ratio |
|---|---|---|---|
| 2025 | £16,616,542 | £16,561,198 | 100% |
Data sourced from the Charity Commission for England & Wales · Last scored 6/11/2026