• Summary
  • Contents
  • Subject index

• Provides detailed case studies of nearly 300 civil wars from 1816 to 2014. • Combines the systematic study of war with analyses of trends over time and regions. • Includes discussion of the different types of actors in international relations and presents data from the Nations, States, and Entities dataset. • Considers data describing non-state participants (rebels) in civil wars.

The Correlates of War Project
The correlates of war project
A History of the Correlates of War Project

This kind of research may help to liberate all who are, in one way or another, prisoners of war…. If we pick our research questions with courage, address them with imagination and rigor, and write them up with clarity and forthrightness, those of us in the world politics and peace research community may just make that modest difference between human survival and thermonuclear Armageddon.

—J. David Singer1

The Correlates of War Project (COW), which continues as the longest-running research program in the study of international relations, was launched by J. David Singer in 1963.2 Singer had been introduced to behavioral methodology during a postdoctoral program at Harvard University, and ...

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