ANES is a political science survey which studies voters political behavior during each general election. It has an archive of datasets including time series data of individual responses to their surveys back to 1952. Also data from other studies that ANES has conducted over this period. This is a useful resource for scholars and students of US elections and voter opinion.

This interactive database allows users to explore public opinion trends in 55 countries on topics ranging from attitudes toward the U.S. to people's assessments of their own lives to views about globalization, democratization, extremism and other important issues. Data can be searched by question, topic or country - results can be displayed in map, table or chart formats. The findings are from 8 surveys conducted by the Pew Global Attitudes Project from 2002-2009 among 200,000 respondents

The Latin American Public Opinion Projectis based at Vanderbilt University.