International Data Resource Center (IDRC)

Try out our interactive world map!

Have a suggestion? Found an error? Copy the URL and send it to web-support@icpsr.umich.edu, along with a brief description of the problem.

 

Description & Citation

Description & Citation--Study No. 5602

Bibliographic Description

ICPSR Study No.:5602
 
Persistent URL: http://dx.doi.org/10.3886/ICPSR05602
 
Title:Annual Alliance Membership Data, 1815-1965
 
Principal Investigator(s):David J. Singer
 
  Melvin Small
 
Bibliographic Citation:Singer, David J., and Melvin Small. ANNUAL ALLIANCE MEMBERSHIP DATA, 1815-1965 [Computer file]. ICPSR05602-v1. Ann Arbor, MI: University of Michigan Mental Health Institute, Correlates of War Project [producer], 196?. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1991. doi:10.3886/ICPSR05602
 

Scope of Study

Summary:This data collection comprises one of four companion datasets produced by the Correlates of War Project at the University of Michigan. It consists of information on annual symmetric matrices of international alliance bonds for 157 nations in the period 1815-1965. For each alliance bond, data are coded for the type of alliance, such as defense, neutrality, or entente, according to explicit national commitments.
 
Subject Term(s):diplomacy, international agreements, international alliances, international cooperation, international relations, military alliances, military bases
 
Geographic Coverage:Global
 
Time Period:1815 - 1965
 
Universe:A total of 157 alliance member nations in the period 1815-1965.
 
Data Type:aggregate data
 
Data Collection Notes:See also the related collections, DIPLOMATIC MISSIONS RECEIVED BY EACH INTERNATIONAL SYSTEM MEMBER, 1817-1970 (ICPSR 5025), and DIPLOMATIC EXCHANGE DATA, 1815-1970 (ICPSR 5026).
 

Methodology

Extent of Processing:SCAN
 

Access and Availability

Note:A list of the data formats available for this study can be found in the summary of holdings. Detailed file-level information (such as record length, case count, and variable count) is listed in the file manifest.
 
Original ICPSR Release:1984-05-03
 
Dataset(s):
  • DS1: Annual Alliance Membership Data, 1815-1965