"The Brookings Institution is a nonprofit public policy organization based in Washington, DC. Our mission is to conduct in-depth research that leads to new ideas for solving problems facing society at the local, national and global level."
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."