Latin American Public Opinion Project (LAPOP)LAPOP is sponsored at Vanderbilt University. "The center conducts international survey research. and the lab’s main goals are to produce high-quality public opinion data; develop and implement cutting-edge methods; build capacity in survey research; and generate policy-relevant research."
"LAPOP’s largest survey research project is the AmericasBarometer, a periodic study of 34 countries in the Western Hemisphere, with representative samples drawn in each country, a common questionnaire, and country-specific modules." (Belize, Haiti, Brazil...) "LAPOP grants unrestricted world-wide access to the AmericasBarometer surveys (2004, 2006, 2008, 2010, 2012, 2014, 2016/17, and 2018/19). As posted on their site, this means users anywhere in the world may download the SPSS and Stata country-based survey files without restriction, limitation or charge, as long as they agree to the terms of the license."