The International Institute for Strategic Studies (IISS) is a British research institute (or think tank) in the area of international affairs. Since 1997 its headquarters have been Arundel House in London, England. The 2017 Global Go To Think Tank Index ranked IISS as the tenth-best think tank worldwide and the second best Defense and National Security think tank globally, while Transparify ranked it third largest UK think tank by expenditure, but gave it its lowest rating, ‘deceptive’, on funding transparency. The Institute’s work is built on the activities of its 11 research programs. Dozens of experts and consulting experts contribute to the institute’s studies. Research includes work under seven thematic programs: Armed Conflict; Future Conflict and Cyber Security; Defence and Military Analysis; Economic and Energy Security; Geo-economics and Strategy; Non-Proliferation and Nuclear Policy; Security and Development. Review and assessment of security-related events around the world. Among the areas covered were the dissolution of the Soviet Union, failure of peace efforts in Angola, Lebanon and the Arab world, Iran after Khomeini, crisis in China, Afghanistan, Bhutto beleaguered in Pakistan, and arms control. Strategic Survey: The Annual Assessment of Geopolitics provides objective, in-depth analysis of the events that shaped relations between major powers, region by region, in the year to mid-2019, and highlights the pressing geopolitical and geo-economic challenges that the IISS believes will shape the international agenda.