Military Group Alliances and Rivalries
The Militant Group Alliances and Rivalries (MGAR) Database provides reliable information for a systematic understanding of the scope, causes, and consequences of violent non-state actor relationships. The database includes year-by-year data for hundreds of groups, including their material, financial, operational, and training relationships with each other and other entities, including states. Using the dyad-year as the unit of analysis, the data capture the dynamic quality of these relationships which range from operational alliances to open rivalry and conflict.