• Deterrence at Three rotator

    Expert analysis

    Starting nuclear war: size doesn't matter

    States with the smallest nuclear arsenals are most likely to use them, says analyst Mark Fitzpatrick. He explains why, with a close examination of developments in North Korea, India and Pakistan.

  • ACS 2017

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    Armed Conflict Survey 2017

    The Armed Conflict Survey provides in-depth analysis of the political, military and humanitarian dimensions of all major armed conflicts, as well as data on fatalities, refugees and internally displaced persons. This year's edition will be launched on 9 May.

  • Russian sugar cube box commemorating Trump's election victory. Credit: Getty/Sergei Starikov


    The Trump–Russia connection

    Investigations into possible coordination between President Donald Trump's campaign team and Russia in the run-up to the 2016 US election continue. If even some of the accusations prove true, they will produce the biggest White House scandal since the Iran-contra affair of 1985–87, in an inexperienced administration already beset by infighting.

  1. Expert analysis

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The Military Balance

Indispensable defence data and analysis

The Military Balance 2017 and our new complementary database, Military Balance+, were both launched on 14 February. Harnessing pioneering technology, Military Balance+ allows users to customise, view, compare and download data instantly, anywhere, anytime.

Asia's premier security summit

IISS Shangri-La Dialogue 2017

Our unique gathering of ministers and delegates from over 50 countries will take place in Singapore on 2–4 June.

IISS Membership

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IISS members enjoy access to the Institute’s globally renowned authoritative data and opinion-shaping analysis, plus invitations to meetings and international conferences.

Adelphi Book

Harsh Lessons

See the lessons militaries must learn from the US-led interventions in Afghanistan and Iraq, and their implications for the future character of war.


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