Militarized Disputes, Crises, and Wars

My International Conflict and Security pages may also include relevant information or data.

COW Militarized Interstate Disputes: The latest official release of the COW Project's militarized interstate dispute (MID) data, version 3.

Zeev Maoz' Dyadic MID Data (a dyadic version of the MID data available above.)

COW Interstate War, Extrastate [Extrasystemic] War, and Intrastate [Civil] War data.

Kristian Gleditsch's Expanded War Data: A revision and expansion of the COW war data that uses Gleditsch and Ward's alternative interstate system membership list. This data set includes both interstate wars and civil wars (including "extra-systemic" wars). It was described in his 2004 International Interactions article.

Russ Leng's Behavioral Correlates of War (BCOW) Crisis Data is available in both Mac and Windows versions (note that these download links are to StuffIt (.sit) and zipped (.zip) archives containing data, documentation, and the needed software for working with the data.)

International Crisis Behavior (ICB) Data Archive (This archive includes links to download the actor-level and system-level ICB crisis data in tab-delimited format -- both files are also available on the site in alternative formats if needed -- and documentation in PDF format for the actor-level or system-level data files. Another page on the site covers one-sided crises, including codebook and data together in a zipped archive. They have also recently added dyadic-level crisis data, which overcomes one of the biggest obstacles to scholarly usage of the ICB data.)

SHERFACS Crisis Data Archive (a crisis data set collected by the late Frank Sherman, maintained by his executor Hayward Alker, and made available for download by the Paris-in-LA project. The data set is available in Paradox database form - be warned that this is a huge file, 5.7 MB. A codebook is also available, and an additional overview of the SHERFACS project is available at MIT.)

Ernst Haas' Collective Security Data (available on-line through the PARIS-in-LA project at USC; this is the final version of the data used by Haas in "Collective Conflict Management: Evidence for a New World Order?" [in Thomas G. Weiss, ed.,Collective Security in a Changing World, 1993], "Regime Decay: Conflict Management and International Organization, 1945-1981" [International Organization, 1983], and Why We Still Need the United Nations: The Collective Management of International Conflict, 1945-1984 [1986]. Three versions of the data set are available, including UN cases, regional cases, and combined UN and regional cases)

Claudio Cioffi's Long Range Analysis of War (LORANOW) Project at the University of Colorado offers a data archive with access to LORANOW data on warfare in non-Western settings. Currently, this is limited to data on warfare in ancient China and the East Asian system, but more regions will eventually become available, including the ancient Near East (Mesopotamia), the Central Andes (Peru), and Mesoamerica (including Maya civilization).

Armed Conflict 1946-2001 data set (from Gleditsch, Wallensteen, Eriksson, Sollenberg, and Strand at the Peace Research Institute of Oslo [PRIO] and the Uppsala Conflict Data Project)

Major Episodes of Political Violence (from the Center for Systemic Peace in Maryland; see also their related data sets or data presentations, listed below. This data set includes conflicts that are listed in one or more other data sources, ranging from civil-intrastate and ethnic-intrastate to international conflicts and including a wide range of severity levels between low-level violence and full-scale war.)

Global and Regional Conflict Trends (from the Center for Systemic Peace in Maryland; note that this gives a graphical presentation of aggregated data from various sources, rather than the actual data sets themselves)

Current Status of the World's Major Armed Conflicts (from the Center for Systemic Peace in Maryland; includes "all known instances of major armed conflict and population displacement in the world in the late 1990s" with a brief description of each conflict, an assessment of its current status, and an estimate of the number of refugees and internally displaced population at the end of 1998)

The Heidelberg Institute of International Conflict Research offers their KOSIMO Conflict Data in a zipped archive,along with a codebook and search facility; see also their 1998 Conflict Barometer and Conflict Barometer Archive

The Duration of Interstate Wars, 1816-1985 (from Bennett and Stam's 1996 APSR article)

David Sobek's Italian City-State (ITS) Data (Includes data on all wars fought between the seven major powers of renaissance Italy: the Papal States, Florence, Siena, Venice, Genoa, Milan, and Pisa)

Interstate Rivalry

Diehl/Goertz Rivalry Data (This is version 5 of their data set, which is based on the MID3 data set from 1816-2001. You may also access an earlier version of their data, which covers 1816-1992 and was used in their book and many of their articles.)

Scott Bennett's Rivalry Data

Security, Bargaining, and the End of Interstate Rivalry (from Scott Bennett's 1996 ISQ article)

Democracy, Regime Change, and Rivalry Termination (from Scott Bennett's 1997 II article)

Measuring Rivalry Termination (from Scott Bennett's 1997 JCR article)

Event Data

KEDS Levant Data (a zipped folder containing data from the KEDS -- Kansas Event Data System -- Event Data Project)

KEDS Middle East Political Events Data (BCOW) (a zipped folder containing data from the KEDS -- Kansas Event Data System -- Event Data Project. The cases in this data set have been coded using BCOW coding rules.)

KEDS Gulf Data (a zipped folder containing data from the KEDS -- Kansas Event Data System -- Event Data Project)

KEDS Bosnian Conflict Data (a zipped folder containing data from the KEDS -- Kansas Event Data System -- Event Data Project. The cases in this data set have been coded using WEIS coding rules.)

PANDA Data (very large downloadable data files covering an entire year's events; an online query form will also allow the user to request more limited spatial or temporal data. Users may also access their codebook and protocol files. From the PANDA -- Protocol for the Assessment of Nonviolent Direct Action -- Project)

Internal Conflict Data

My Foreign Governments and Politics page may also include relevant information or data.

COW Intrastate [Civil] War and Extrastate [Extrasystemic] War data.

Minorities at Risk Project (see their Project Description. Prospective users must fill out a free registration form before receiving MAR data files and codebook. A list of cases is available sorted by group type (ethnonationalists, national minorities, ethnoclasses, and communal contenders). Individual descriptions are also available for each minority group in the data set, organized by geographic region; this includes a textual background and synopsis as well as the 1998 population of the group and its state.)

State Failure Project (a data project focused on "internal wars and failures of governance" from 1955-1998; separate data sets include ethnic wars, revolutionary wars, abrupt or disruptive regime transitions, and genocides/politicides, as well as a consolidated data file. The project's codebook and data are available separately, as is an annotated list of cases.)

Bill Ayres' Violent Intrastate Nationalist Conflicts Project (includes a list of cases in Excel or SPSS portable format, as well as data on third party interventions in SPSS portable format.)

Pat Regan's Interventions in civil conflicts data set allows replication or extension of his 2000 book and associated articles. The first link is to the codebook describing this data; a Stata file may be downloaded with the actual data. Pat has also provided the data, Stata do-file, and user's manual for his 2002 JCR article on third party interventions and the duration of intrastate conflicts.

Statistics of Democide (from Rudolph Rummel's Power Kills site, which includes numerous book chapters and other manuscripts, as well as GIF versions of many data tables from these manuscripts. Unfortunately, there are no easily accessible data files that can be downloaded outside of these GIF files, so the user must download the files and transcribe the desired variables by hand from the GIF images. I am including direct links to what appear to be the most useful tables/figures; interested users are invited to visit Rummel's site for more information. )

Ron Francisco's European Protest and Coercion Data (the codebook is available is ASCII and Word format; separate data files are available for each country in Excel or tab-delimited ASCII format)

Domestic Strife and the Initiation of Violence at Home and Abroad, 1827-1982 (from Eric Reinhardt; you may also download a zipped copy of the data and documentation directly)

Other Conflict and Cooperation Data

My International Organizations, International Law, and International Political Economy pages may also include relevant information or data.

Paul Diehl's UN Peacekeeping Data

Erik Voeten's UN Voting Data (the main link is to the online codebook; the actual data set is available in either tab-delimited or SPSS format.)

Erik Voeten's 'Clashes in the UN Assembly' Data (the main link is to the online codebook; the actual data set is available in either HTML tables or Excel (.xls) format.)

GATT Trade Disputes, 1948-1993 (from Eric Reinhardt's dissertation, Posturing Parliaments: Ratification, Uncertainty, and International Bargaining; you may also download a zipped copy of the data and documentation directly. Additional data sets are available on Eric's public data page)

System Uncertainty, Risk Propensity, and International Conflict among the Great Powers (from Huth, Bennett, and Gelpi's 1992 JCR article and Huth, Gelpi, and Bennett's 1993 APSR article "The Escalation of Great Power Militarized Disputes")

Hegemonic and Bipolar Perspectives in the New World Order (from Volgy and Imwalle's 1995 AJPS article; see also their codebook)

Countries Affected by Land Mines (part of the UN De-mining Database)

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Last updated: 11 October 2005
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