This project produces aggregate-level data on resistance campaigns from 1900–2006 (NAVCO 1.1), annual data on campaign behavior from 1945–2006 (NAVCO 2.0), and events data on tactical selection during campaigns from 1987–2011 (NAVCO 3.0).
Produced by the Center for Comparative and International Studies at ETH Zurich. Contains two major datasets: Geographic Research on War, Unified Platform (GROWup) and the Ethnic Power Relations Datasets.
Maintained by a professor of political science who says, "These pages are meant to include the most useful data sources on processes of international conflict and cooperation, as well as data covering international economic, environmental, political, and social data and data on similar topics for the United States."
1940s–present. Coded datasets of policy changes for 22 countries, two U.S. states, and the European Union. For the U.S., data is based on Congressional hearings, Congressional roll call votes, executive orders, State of the Union addresses, and more.
Searchable database of U.S. public opinion data from academic, commercial, and media survey organizations, such as Gallup, Pew, network TV news bureaus, and more. In many cases, you can download the full data set from the survey through RoperExpress.
Provides downloads of full public opinion data sets from academic, commercial, and media survey organizations, such as Gallup, Pew, network TV news bureaus, and more. RoperExpress is only for downloading full data sets to analyze. To search for quick public opinion statistics, use iPoll.
Compiles surveys conducted by hundreds of polling organizations in the United States and more than 80 other countries from 1986 to the present. Each of the records reports a question asked, the percentage of respondents who gave each answer, and some information about the sample and survey methodology. The raw data is NOT available from this source; for some surveys, you may be able to find raw data through ICPSR or another source.