Public Opinion
General Resources
Online Poll Results
AsiaBarometer
Survey results and data examining daily life in East, Southeast, South and Central Asia. (Free Resource)
Chicago Council on Global Affairs - Public Opinion Surveys
Biennial survey comparing American and international public opinion. Special topics include Asia Soft Power and the Rise of China and India. (Free Resource)
IRI Public Opinion Polls
IRI conducts public opinion polls in many countries around the world, with an emphasis on democracy and elections.
Latin American Public Opinion Project (LAPOP)
Surveys on democratic values and behaviors in 23 countries in Latin America. (Free Resource)
Pew Research Center
Provides data and analysis on the issues, attitudes and trends shaping the United States and the world. (Free Resource)
Polling the Nations
More than 350,000 questions and responses from 14,000 surveys conducted by 700 polling organizations from 1986 to the present in the United States and more than 80 other countries.
Pollster
Aggregates and analyzes political polls as they are released. U.S. focus.
Roper Center for Public Opinion
Provides access to summary-level (question & answer) and micro-level (raw) public opinion data. Also includes U.S. exit poll data and demographic breakdowns of voting in U.S. elections.
Terror Free Tomorrow Public Opinion Surveys
Survey results from over 30 nationwide public opinion polls in Iran, Indonesia, Pakistan, Bangladesh, Syria, Turkey, Nigeria, Saudi Arabia, India, the United Arab
Emirates and elsewhere. (Free Resource)
The Harris Poll
Weekly surveys of the American public on issues such as politics, the economy, healthcare, and foreign affairs. (Free Resource)
World Public Opinion.org
Information and analysis on public opinion from around the world on international issues. Includes extensive links to additional public opinion sites, by region and topic. (Free Resource)
World Values Survey
Data and online analysis tracking changing values across countries since 1981. (Free Resource)
Datasets
American National Election Studies (ANES)
Provides "high quality data on voting, public opinion, and political participation." (Free Resource)
Harvard-MIT Data Center (HMDC)
HMDC is a member of the Institute for Quantitative Social Science (IQSS) and a leading datacenter for the social sciences. HMDC offers access to datasets, extensive support, and workshops.
ICPSR: Inter-University Consortium for Political and Social Research.
Gateway to more than 500,000 downloadable digital files of statistical data related to the social sciences.
IQSS Dataverse Network
The world's largest collection of social science research data, Dataverse includes ICPSR, Roper, NARA, Census Bureau and many other datasets.
RoperExpress
Large collection of public opinion data and documentation files from the Roper Center for Public Opinion.
Historical Public Opinion
American Public Opinion Index, 1985-2000 REF HM261 .A463 
Gallup Poll Cumulative Index, 1935-1977 REF HN90 .P8 G355 1999
Gallup Poll, 1935 to present REF HN90 .P8 G35
Index to International Public Opinion, 1978-1999 REF HM261 .I552
Public Opinion Journals
Other Research Guides
20 Questions A Journalist Should Ask About Poll Results
This article is a great resource for thinking critically about the reliability of a poll, including funding, sampling, and methodology. (Free Resource)
Public Opinion Data Resources
Guide compiled by the Harvard College Library. (Free Resource)