The Uppsala Conflict Data Program Georeferenced Event Dataset (UCDP-GED; v18.1) is one of a number of recently developed high disaggregated armed conflict datasets. Similar to The Armed Conflict Location & Event Data Project (ACLED; Raleigh et al. (2010)), The Social Conflict Analysis in Africa Database (SCAD; Salehyan et al. (2012)), and the Militarized Interstate Dispute Locations (MIDL v4.3; Maoz et al. (2018)) datasets, UCDP-GED presents dyadic conflict data with high spatial resolution; often geo-located to the village. Although these datasets were initially released with restricted geographic scope (with the exception of MIDL), they all expanded their spatial reach significantly over the past 5-10 years. UCDP-GED is currently advertised as a global dataset of armed conflict, ACLED encompasses Africa, South Asia, South East Asia, the Middle East, Europe, and Latin America, and SCAD has expanded to include Africa, Mexico, Central America, and the Caribbean.
These datasets are similar in nature, but can vary greatly in their reporting criteria and supplementary information. Eck (2012) recently reviewed the fundamental differences between UCDP-GED and ACLED. ACLED is the only source for non-violent conflict related events like troop movements and governmental aid, however, UCDP-GED provides superior data for violence and fatalities. Additional underlying discrepancies include the minimum number of deaths recorded for an event, the intensity or nature of violence, criteria for actor organization level, and numerous metadata fields that facilitate analysis such as actor ids, actor state sponsorship, and event ids. Therefore, when using these datasets in conjunction with another or comparing results between them, it’s important to maintain consideration for their underlying differences.
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Eck, Kristine. 2012. “In Data We Trust? A Comparison of UCDP GED and ACLED Conflict Events Datasets.” Cooperation and Conflict 47 (1): 124–41. https://doi.org/10.1177/0010836711434463.
Maoz, Zeev, Paul L. Johnson, Jasper Kaplan, Fiona Ogunkoya, and Aaron P. Shreve. 2018. “The Dyadic Militarized Interstate Disputes (MIDs) Dataset Version 3.0: Logic, Characteristics, and Comparisons to Alternative Datasets.” Journal of Conflict Resolution, July, 0022002718784158. https://doi.org/10.1177/0022002718784158.
Raleigh, Clionadh, Andrew Linke, Håvard Hegre, and Joakim Karlsen. 2010. “Introducing ACLED: An Armed Conflict Location and Event Dataset: Special Data Feature.” Journal of Peace Research 47 (5): 651–60. https://doi.org/10.1177/0022343310378914.
Salehyan, Idean, Cullen S. Hendrix, Jesse Hamner, Christina Case, Christopher Linebarger, Emily Stull, and Jennifer Williams. 2012. “Social Conflict in Africa: A New Database.” International Interactions 38 (4): 503–11. https://doi.org/10.1080/03050629.2012.697426.