The Gallup Poll tracks presidential ratings daily. In this one site, they have compiled the ratings that the previous eleven presidents received. Explore Historical Trends or compare Presidents using an accessible, interactive graph.

Selected Pew Research Center reports (since 2005) on public opinion.

Created with the intent to gauge public attitudes toward globalization, democracy, and a number of other crucial issues. Pew has conducted over 90,000 interviews in 50 countries over the past few years. So far, their work has yielded a number of reports about subjects such as Islamic extremism, the war in Iraq, and prosperity in China.Vew all of these reports on the site or download the datasets used to craft each report.

Data dates from 1970

Contains a standard 'core' of demographic, behavioral, and attitudinal questions, plus topics of special interest, including voting behavior. Many of the core questions have remained unchanged since 1972 to facilitate time-trend studies. SPSS/STATA downloads.