Polyarchy Dataset Old versions

We would like to warn against the use of the versions posted here. They have known errors, some of them quite large, and should only be used for replication purposes – where backwards compatability is needed – along with version the new Version 2.0.


For information, please contact Håvard Strand


This dataset is the result of a collaborative project between Tatu Vanhanen and International Peace Research Institute, Oslo (PRIO). Work on this project has been supported by grants from the Joint Nordic Committee of Social Science Research Councils (NOS-S) to PRIO and from the US National Science Foundation (SBR-9810092) to Scott Gates of Michigan State University and PRIO.

Version 1.1

Version 1.1a

Version 1.1b

Version 1.2