polity: Polity IV combined Polity scores

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Polity IV combined Polity scores

Description

Polity scores reflect how democratic or autocratic countries are from a scale of -10 (autocratic) to 10 (democratic). There are also three special codes for foreign "interruption" (-66), anarchy (-77), and transition periods (-88).

The data are included here for as an example for use with the missing plot. Thus they do not contain all available Polity indicators, which are available at the Polity project website www.systemicpeace.org.

Usage

polity

Format

Data frame

ccode

Correlates of War (COW) country code.

year

Year of the observation.

polity

Combined Polity score.

Source

Marshall, Monty G., Ted Robert Gurr, and Keith Jaggers. 2017. “Polity IV Project: Dataset Users' Manual.” https://www.systemicpeace.org/inscr/p4manualv2016.pdf

Examples

data("polity")
head("polity")

states documentation built on Aug. 25, 2025, 5:10 p.m.