Latin American Public Opinion Project (LAPOP)LAPOP carries out targeted national surveys, conducts impact evaluation studies, and produces reports on individual attitudes, evaluations, and experiences. Their AmericasBarometer survey is the only scientifically rigorous comparative survey that covers 34 nations including all of North, Central, and South America, as well as a significant number of countries in the Caribbean. Each year it publishes dozens of academic studies and policy-relevant papers.