Military Alliance Reliability: 200 Years of Treaty Fulfillment Data
by Chiba, Daina / International Studies Quarterly Dataverse·Updated 3mo ago
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Description
This dataset tracks military alliance reliability over a 200-year period, providing estimates of treaty fulfillment and violation. Compiled by Daina Chiba for International Studies Quarterly, it analyzes data at both the alliance and individual ally levels of analysis. The records highlight a shift in reliability patterns, particularly regarding multilateral alliances in the post-WWII era.
Use Cases
Comparing fulfillment rates between bilateral and multilateral alliances
Analyzing temporal shifts in alliance reliability before and after 1945
Modeling the probability of treaty violation based on alliance level of analysis
Strengths
200-year historical coverage of military conflicts
Dual-level estimates for both the alliance and the individual ally
Includes specific coding for multilateral alliance structures
Limitations
Small number of cases driving post-1945 multilateral reliability estimates
Lack of granular column metadata in the primary description
Provenance
Source
International Studies Quarterly Dataverse
Collection Method
Aggregation and updating of historical alliance and war datasets
Time Range
Approx. 1815-2015
Freshness
Last updated March 2026.
Geography
Global
The lower reliability estimates for post-1945 multilateral alliances are noted by the author to be driven by a small number of closely related cases.