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Democracy

Measures of democracy, governance and rule of law: an overview of cross-national data sets

Democracy measures: an overview of data sets

Authors: G.L. Munck
Publisher: World Bank, 2003

This paper provides an overview of measures of democracy, governance and rule of law. The focus is on broad cross- national data sets, that is, those data sets that can offer a sense of the overall variation within the relevant universe of cases.

More specifically, it considers only those data sets that encompass more than one region of the world and that extend into the 1990s. This overview shows that researchers have generated data sets of considerable scope that measure a wide array of concepts about politics and political institutions. Therefore, there are choices to be made.

To guide this selection process, this paper places emphasis on the validity of the data and, in particular, on the criterion of content validity, that is, whether theoretically relevant indicators are excluded from, or theoretically irrelevant indicators are included in, the measure of a concept.

The first section of the paper discusses the key conceptual challenge confronted in efforts to measure democracy and related concepts. It suggests that, to avoid potential conceptual confusion, it is useful to distinguish between measures of the concepts of:

  • democratic regime
  • democratic governance, and
  • rule of law.
The next section presents a set of tables that contain essential information about existing data sets that can serve as measures of these three distinct concepts. Both indices, that is, aggregate data, and indicators, that is, disaggregate data, are considered. The paper concludes with a few comments concerning the potential use of these data sets for the purpose of case selection.