The "Encuesta de Actitudes Populistas en España / Survey on Populist Attitudes in Spain (2018)" dataset measures the populist attitudes of Spanish citizens, along with other political attitudes, sentiments, personality traits, and relevant socio-demographic characteristics. The survey was conducted by the Democracy, Elections and Citizenship (DEC) research group through online surveys administered between September 27 and October 28, 2018. The dataset contains 3,031 interviews and a total of 173 variables.

The fieldwork was conducted through online interviews using a sample provided by Qualtrics. The sample was selected using quotas based on sex, age groups, educational level, and Autonomous Community of residence. The survey data were cleaned and edited using STATA software. The data is accessible using the following software: STATA, R, MS Excel, OpenOffice or any other spreadsheet software. For more information, please contact: gr.dec@uab.cat