SIPRI Publications

SIPRI has published hundreds of books, reports, fact sheets, background papers and policy briefs since its first book appeared in 1969. Oxford University Press publishes and distributes some SIPRI publication series. Other are available to download or buy directly from SIPRI.

SIPRI publications aim to provide policymakers, researchers, the media and the interested public with reliable information, analysis and recommendations. They are peer-reviewed, use only open sources and are transparent about the sources used.

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SIPRI Yearbook

SIPRI Yearbook 2024

SIPRI Yearbook 2024 provides an overview of developments in international security, weapons and technology, military expenditure, arms production and the arms trade, and armed conflicts and conflict management, along with efforts to control conventional, nuclear, chemical and biological weapons.

Armament and disarmament

Trends in World Military Expenditure, 2023

Dr Nan Tian, Dr Diego Lopes da Silva, Xiao Liang and Lorenzo Scarazzato

World military expenditure increased for the ninth consecutive year in 2023, reaching a total of $2443 billion. The 6.8 per cent increase in 2023 was the steepest year-on-year rise since 2009 and pushed global spending to the highest level SIPRI has ever recorded. The world military burden—defined as military spending as a percentage of global gross domestic product (GDP)—increased to 2.3 per cent in 2023. Average military expenditure as a share of government expenditure rose by 0.4 percentage

Conflict, peace and security

Women in Multilateral Peace Operations in 2024: What is the State of Play?

Dr Claudia Pfeifer Cruz

In the year 2000, United Nations Security Council Resolution 1325 on women, peace and security stressed the link between gender equality and international peace and security. The resolution underscored the importance of the full and equal participation of women in all efforts towards the maintenance and promotion of peace and security, including UN peace operations. Following the resolution, organizations and member states involved in multilateral peace operations affirmed their commitment to increase women’s participation in these activities.

Peace and development

Burning Ground: Tackling Climate Change and Conflict in South-central Somalia

Kheira Tarif

Somalia is vulnerable to the impacts of climate change, in part because of the enduring effects of over three decades of violent conflict. There is an urgent need for responses that address the effects of both issues in tandem.