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Database of Political Institutions 2015

Authors:Philip E. Keefer
Web Address:Research on Macroeconomics and Growth
Report Number:WPS2283

The Database of Political Institutions presents institutional and electoral results data such as measures of checks and balances, tenure and stability of the government, identification of party affiliation and ideology, and fragmentation of opposition and government parties in the legislature, among others. The current version of the database, which is now hosted at the IDB, expands its coverage to about 180 countries for 40 years, 1975-2015. Researchers at the World Bank Development Research Group first compiled the database in 2000 (see citation information below). It has become one of the most cited databases in comparative political economy and comparative political institutions. Almost 3,000 studies have used this database so far as a source of institutional and political data in their empirical analysis.

The Database of Political Institutions 2015 (DPI2015)  

For more information contact Phil Keefer at

Older data

Users of the database should cite Thorsten Beck, George Clarke, Alberto Groff, Philip Keefer, and Patrick Walsh, 2001. "New tools in comparative political economy: The Database of Political Institutions." 15:1, 165-176 (September), World Bank Economic Review.

Users of the variables Checks or Polarization should cite Philip Keefer and David Stasavage (2003). "The Limits of Delegation: Veto Players, Central Bank Independence and the Credibility of Monetary Policy." American Political Science Review (August).

Dataset covers years 1975-2012.

DPI2012.xls (4.5mb) This version of the 2012 database is a conversion from Stata, and is included for the convenience of some users. While we expect that the conversion is accurate, we nevertheless recommend the use of the original Stata file (below) whenever possible.

Access to Dataset
  • Database of Political Institutions 2012 - updated January 2013 (STATA dta file, 4mb)

  • Database of Political Institutions 2012 - updated January 2013 (compressed STATA, 350kb)

  • DPI 2012 codebook (pdf file, 133kb)

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