Data and Documentation – IVS 1981-2021

Building the IVS 1981-2021

(1) Download the EVS and WVS data files and documentation from the EVS and WVS websites.

(2) Download the syntax in the format you need (SPSS or STATA) and merge the two trend files to generate the IVS 1981-2021.

  • IVS_Merge_Syntax_v1 (SPSS) or
  • IVS Merge Syntax v1 (STATA)
Documentation related to the IVS 1981-2021
Suggested citation of the IVS 1981-2021

Publications based on the IVS 1981-2021 should acknowledge this by means of bibliographic citations. To ensure that such source attributions are captured for social science bibliographic utilities, citations must appear in the footnotes or in the reference section of publications. Please add citations for both files included in the IVS 1981-2021.

  • EVS (2021): EVS Trend File 1981-2017. GESIS Data Archive, Cologne. ZA7503 Data file Version 2.0.0, doi:10.4232/1.13736.
  • Haerpfer, C., Inglehart, R., Moreno, A., Welzel, C., Kizilova, K., Diez-Medrano J., M. Lagos, P. Norris, E. Ponarin & B. Puranen et al. (eds.). 2021. World Values Survey Time-Series (1981-2020) Cross-National Data-Set. Madrid, Spain & Vienna, Austria: JD Systems Institute & WVSA Secretariat. Version 2.0.0, doi:10.14281/18241.15.
Please send your bibliographic citation based on the IVS 1981-2021 at
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