Version 10 (Mar 2020)

Versions respond to changes to the dataset for V-Dem variables (A, B, C, D), including new variables, new indices, corrections to existing variables, and new iterations of the measurement model.

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Download the V-Dem Codebook v10 by clicking on the icon to the left. 

Please note that all variables that V-Dem is compiling are included in the Codebook.

Suggested citation: Coppedge, Michael, John Gerring, Carl Henrik Knutsen, Staffan I. Lindberg, Jan Teorell, David Altman, Michael Bernhard, M. Steven Fish, Adam Glynn, Allen Hicken, Anna L¨uhrmann, Kyle L. Marquardt, Kelly McMann, Pamela Paxton, Daniel Pemstein, Brigitte Seim, Rachel Sigman, Svend-Erik Skaaning, Jeffrey Staton, Agnes Cornell, Lisa Gastaldi, Haakon Gjerløw, Valeriya Mechkova, Johannes von Römer, Aksel Sundtröm, Eitan Tzelgov, Luca Uberti, Yi-ting Wang, Tore Wig, and Daniel Ziblatt. 2020. ”V-Dem Codebook v10” Varieties of Democracy (V-Dem) Project.

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Download the Organization and Management v10 by clicking on the icon to the left. 

Document includes a brief overview of the Varieties of Democracy (V-Dem) project – the team, the web site, outreach to the international community, funding, progress to date, and sustainability.

Suggested citation: Coppedge, Michael, John Gerring, Carl Henrik Knutsen, Staffan I. Lindberg, Jan Teorell, Nazifa Alizada, Lisa Gastaldi, Garry Hindle, Nina Ilchenko, and Johannes von Römer. 2020. ”V-Dem Organization and Management v10” Varieties of Democracy (V-Dem) Project.

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Download the Methodology v10 by clicking on the icon to the left. 

Part I sets forth the V-Dem conceptual scheme. Part II discusses the process of data collection. Part III describes the measurement model along with efforts to identify and correct errors.

Suggested citation: Coppedge, Michael, John Gerring, Carl Henrik Knutsen, Staffan I. Lindberg, Jan Teorell, Kyle L. Marquardt, Juraj Medzihorsky, Daniel Pemstein, Nazifa Alizada, Lisa Gastaldi, Garry Hindle, Johannes von Römer, Eitan Tzelgov, Yi-ting Wang, and Steven Wilson. 2020. ”V-Dem Methodology v10” Varieties of Democracy (V-Dem) Project.

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Download the Country Coding Units v10 by clicking on the icon to the left. 

This document lists (a) every country in the eventual V-Dem database, (b) the years for which we have collect data or plan to collect data (in parentheses next to the entry); (c) the polities that comprise each country’s 20th century history (even if falling outside the time-period that we wish to code); and (d) the borders of each country (wherever this might be unclear).

Suggested citation: Coppedge, Michael, John Gerring, Carl Henrik Knutsen, Staffan I. Lindberg, Jan Teorell, and Lisa Gastaldi. 2020. ”V-Dem Country Coding Units v10” Varieties of Democracy (V-Dem) Project.

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Download the "Structure of V-Dem Indices, Components, and Indicators" by clicking on the icon to the left. 

 

 

 

 

 

 

If a variable(s) drawn from the V-Dem database plays an important role in your project (published or unpublished) this should be publicly acknowledged. Suggested citation(s) are offered at the end of each entry.