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Political Events Project, 1948-1965 (ICPSR 5206)

Principal Investigator(s):


This study contains data on 6,754 political instability events in 84 selected nations in the period 1948-1965. These data, which permit measurement of political instability and the correlates of internal conflict behavior, are concerned with conflict directed by groups and individuals in the prevailing political system against other groups or persons, and with uncovering the determinants of stability within all national political systems. The variables in the dataset are divided into four basic types: variables that identify events, classify events, describe events, and evaluate events. The study provides a conflict intensity rating for each event. Political instability events are classified from low to high and include institutionally prescribed elections, the fall of cabinets, martial laws, assassinations of significant group leaders, mass arrests, coup d'etats, and civil wars.

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  • These data are available only to users at ICPSR member institutions. Because you are not logged in, we cannot verify that you will be able to download these data.


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Study Description


Feierabend, Ivo, Rosalind Feierabend, and Betty Nesvold. Political Events Project, 1948-1965. ICPSR05206-v3. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2001. http://doi.org/10.3886/ICPSR05206.v3

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This study was funded by:

  • United States Department of the Navy. Office of Naval Research (N00014-67-A-0181-0026)

Scope of Study

Subject Terms:   assassinations, civil disorders, civil wars, coup d'etat, internal political conflict, martial law, political opposition, political violence

Geographic Coverage:   Afghanistan, Albania, Argentina, Australia, Austria, Belgium, Bolivia, Brazil, Bulgaria, Cambodia, Canada, Chile, China (Peoples Republic), Colombia, Costa Rica, Cuba, Cyprus, Czech Republic, Denmark, Dominican Republic, Ecuador, Egypt, El Salvador, Ethiopia, Finland, France, Germany, Ghana, Global, Greece, Guatemala, Haiti, Hungary, Iceland, India, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Japan, Jordan, Laos, Lebanon, Liberia, Libya, Luxembourg, Malaysia, Mexico, Myanmar, Netherlands, New Zealand, Nicaragua, Norway, Pakistan, Panama, Paraguay, Peru, Philippines, Poland, Portugal, Romania, Saudi Arabia, Slovakia, South Africa, South Korea, Soviet Union, Spain, Sri Lanka, Sudan, Sweden, Switzerland, Syria, Taiwan, Thailand, Tunisia, Turkey, United Kingdom, United States, Uruguay, Venezuela

Time Period:  

  • 1948--1965

Universe:   Political events involving 84 nations that were independent prior to 1955 in the period 1948-1965.

Data Types:   event/transaction data


Data Source:


Extent of Processing:  ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:

  • Standardized missing values.
  • Performed recodes and/or calculated derived variables.


Original ICPSR Release:  

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