The Uppsala Conflict Data Program (UCDP)
The Uppsala Conflict Data Program (UCDP) is the world’s main provider of data on organized violence and the oldest ongoing data collection project for civil war, with a history of almost 40 years. Its definition of armed conflict has become the global standard of how conflicts are systematically defined and studied.
UCDP Encyclopedia
Access the UCDP Conflict Encyclopedia and explore our most disaggregated data
UCDP charts, graphs and maps
Explore UCDP's informative charts, graphs and maps on organised violence
Sign up: UCDP Newsletter
Sign up for the UCDP Newsletter, subscriptions are free of charge
UCDP Dataset Download Center
Download and explore UCDP data, including the UCDP GED Dataset and the UCDP/PRIO Armed Conflict Dataset.
UCDP Publications
The Uppsala Conflict Data Program (UCDP) and associated researchers at the Department of Peace and Conflict Research have published a number of papers within the UCDP Paper Series.
UCDP Definitions
This page contains some of the key definitions for UCDP data, in alphabetical order.
UCDP Methodology
Unit of analysis; Data Collection; Source Evaluation; Coding; Post-Estimation; Validation and References.
About UCDP
Read more about UCDP: Background, team and founder.
FAQ
This page contains some of the frequently asked questions about UCDP and UCDP data.
Contact UCDP
For questions regarding UCDP and our data please contact us by e-mail: ucdp@pcr.uu.se