LAPOP (Latin American Public Opinion Project) conducts the Americas Barometer a survey of democratic public opinion and behavior that covers the Americas. Beginning in 2004 the survey was implemented in 11 countries and has since grown to include 29 countries in the 2016/17 round. Search or browse to find microdata files and documentation by year and country. Website in English and Spanish; questionnaires in various languages.
Latin American Public Opinion Project (LAPOP)