Comparative Study of Electoral Systems


Comparable post-electoral surveys are available in two dataset modules (1996-2001; 2001-2005) with data on 40 countries and methodological explanations. Articles, conference papers, reports, short results are also displayed


The CSES program is a scholarly collaborative program focused on post-electoral surveys collected by various academic partners


The complete variable list used for collecting data as well as modules, reports and other records on electoral issues are retrievable in text or pdf format. For the entire dataset release, however, statistical softwares (SPSS, SAS or STATA) are necessary

Information density

Currently two modules of data collection are available (1996-2001 and 2001-2005) with reports from 40 countries. Articles, conference papers and other reports and short results are also available

Content Pertinence to Political Science

The material contained in the CSES archive consists of comparable post-electoral surveys and data about electoral behaviour, political and electoral systems. It also provides clear and detailed methodological explanations

Updating Rate

The website news section is updated monthly, mostly with dataset improvements and new country data addition. Other parts are updated much less frequently