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Public Opinion and Attitudes

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Afrobarometer (Afrobarometer)
According to its web site, the Afrobarometer is "a comparative series of national public attitude surveys on democracy, markets, and civil society in Africa." An initial survey in twelve countries was conducted between 1999 and 2001 in twelve countries; a second round between 2002 and 2003 included fifteen countries; and a third round for 2005-2006 expanded to eighteen countries; a round 4 surveys for 2008-2009 included twenty countries; a round 5 surveys for 2011-2013 had thirty five countries and a round 6 surveys started in 2014 with more than thirty five countries. Data is released on the Merged Data page for free download. Afrobarometer data is also eventually archived at ICPSR, though the Afrobarometer web site posts the data first.

American Association for Public Opinion Research (AAPOR) (American Association for Public Opinion Research)
The AAPOR site describes the history and activities of the association and includes statements on ethics and best practices in public opinion research. A section on survey methods includes a response-rate calculator, and a section on organizations carries a searchable "blue book" directory of organizations that provide public opinion research services and information.

American Mosaic Project (Doug Hartmann and Penny Edgell)
The American Mosaic Project is a multi-year, multi-method study of the bases of solidarity and diversity in American life. The principal investigators of this project are Doug Hartmann, Penny Edgell and Joseph Gerteis at the University of Minnesota, and the project is funded by the Edelstein Family Foundation of Minneapolis, MN.

The survey was designed to gather data on diversity with a particular emphasis on race and religion. A nationally-representative telephone survey was conducted during the summer of 2003; additional in-depth interviews and fieldwork across the country, explored the various contexts in which Americans experience diversity, focusing on religious interfaith organizations, neighborhoods, and festivals. Key findings on Discrimination, Atheism, Anti-Semitism, Racial attitudes of Conservative Christians, Diversity, Racial Attitudes and Religion, and Racial Privilege are available as press releases at this site.

Arab Barometer (Arab Barometer)
Arab Barometer is a central resource for quantitative research on the Middle East. It has conducted nationally representative face-to-face public opinion surveys over five waves: 2006-2009, 2010-2011, 2012-2014, 2016-2017 and 2018-2019. It includes 15 countries: Algeria, Bahrain, Egypt, Iraq, Jordan, Kuwait, Lebanon, Libya, Morocco, Palestine, Saudi Arabia, Sudan, Tunisia, Qatar, and Yemen. Its surveys cover topics like governance and political affairs, personal and national economic circumstances, women's rights and gender equality, religiosity and the political and societal role of religion, and international relations. It provides insight into the social, political, and economic attitudes and values of ordinary citizens across the Arab world. You can download data and documents at, after completing a brief registration form.

Arkansas Poll (Diane Divers Blair Center for the Study of Southern Politics and Society)
Results (pdf) and data (SPSS format) from this annual Arkansas public opinion poll are presented on this site.

Asian Barometer Surveys (Hu Fu Center for East Asia Democratic Studies, National Taiwan University)
The Asian Barometer Survey is a cross-national survey project. It includes 13 East Asian states (Japan, Mongolia, South Korea, Taiwan, Hong Kong, Mainland China, the Philippines, Thailand, Vietnam, Cambodia, Singapore, Indonesia, and Malaysia), and 5 South Asian countries (India, Pakistan, Bangladesh, Sri Lanka, and Nepal). It covers major political systems that have followed different trajectories of regime evolution and are currently at different stages of political transition. Each participating country conducts its own survey under a common research framework and with a common research methodology to collect and compile reliable and comparable micro-level data on the issues of citizens' values and attitudes toward politics, power, reform, and democracy in Asia. East Asian Barometer Survey started in 2003 and South Asian Barometer Survey began in 2005. Myanmar was added to Asian Barometer in wave 4, 2013-2016.

Canadian Election Study (CES) (Canadian Election Study (CES))
The Canadian Election Study (CES) surveys Canadian voters "to explain what makes people decide to vote (or not to vote), and, if they do, what makes them decide to support a given party or candidate, and why parties gain or lose ground from one election to another." CES data are available from Ontario Data Documentation, Extraction Service and Infrastructure , which is a web-based data exploration, extraction and analysis tool that uses the Data Documentation Initiative (DDI) social science data standard.

Canadian Opinion Research Archive (CORA) (Queen's University, Kingston, Ontario, Canada)
The Canadian Opinion Research Archive (CORA) collects opinion surveys conducted by Canadian firms, dating back to the 1970s. Summary reports are readily available on the site. Starting in December 2008, users may analyze CORA data online via a NESSTAR interface.

Cattaneo Web archive of Italian election results and surveys (Fondazione di ricerca "Istituto Carlo Cattaneo" Istituto Carlo Cattaneo)
The Cattaneo Web Archive of Italian Election Results and Surveys offers information regarding Italian Elections dating back to 1990 and going onwards to 1996. The site also includes Bologna Elections results and surveys from 1984 and 1994, Italian Election Abstention Surveys from 1985, 1990 and 1995 and Italian Election Results by Commune from 1946-1996. Data is presented via the SDA interface. Abstracts are available in Italian and English.

Center for Information and Research on Civic Learning and Engagement (CIRCLE) (Tufts University)
CIRCLE, the Center for Information and Research on Civic Learning and Engagement, describes itself as"A non-partisan research center studying youth civic engagement and civic eduation." CIRCLE's research focuses on Americans between the ages of 15 and 25.

Center for the Study of Democracy--Data (Center for Study of Democracy)
The Center for the Study of Democracy is dedicated to helping foster democracy in the United States and throughout the world. In the data archive portion of its site, users will find links to CSD-sponsored research projects other studies relating to human rights and various political issues. Links include World Value Surveys, The Comparative Study of Electoral Systems, The UCI Election Turnout Database, the 1998 German Election Study, and the 1996 National Black Election Survey. See also the CSD Asia Data Archive at

Eagleton Poll Archive (Rutgers University)
This interactive website provides access to the survey data and questionnaires from Eagleton's quarterly statewide polls of New Jersey residents on matters of political and social interest. Visitors can search and view Eagleton polls and question responses from 1971 to the present. Search results are linked to source materials including raw data files and supporting documentation and they are downloadable.

Eurasia Barombeter (Euroasia Barombeter)
Eurasia Barometer surveys were designed to monitor political, social and economic transformations in the countries of post-communist Europe and post-Soviet Eurasia in the opinion of their populations. Face-to-face interviews were conducted in 2000, 2013, and 2016 using a national representative sample with between 1500 and 3500 respondents. Armenia, Azerbaijan, Belarus, Georgia, Kazakhstan, Kyrgyzstan, Moldova, Russia, Tajikistan, Ukraine and Uzbekistan are countries participated in these surveys.

Eurobarometer at GESIS (GESIS Leibniz Institute for the Social Sciences)
The Eurobarometer Surveys are the products of a program of cross-national and cross-temporal social science research. The first Eurobarometer surveys in the 1970s were designed to measure public awareness of, and attitudes toward, the Common Market and other European Community institutions. Eurobarometer surveys are also available from from DISC through the UW-Madison ICPSR membership.

European Public Opinion (European Commission)
This web site, run by Europa, an Internet project of the European Commission to track progress of the European Union, offers a Eurobarometer search tool, current summary results of the ongoing Eurobarometer polls, the Europinion Continuous Tracking Survey, and the Top Decision Makers Survey (but not the raw data).

European Social Survey (ESS) (European Commission and European Science Foundation)
The European Social Survey (ESS) is cross-national survey that has been conducted across Europe since 2001. Every two years, face-to-face interviews are conducted with newly selected, cross-sectional samples. ESS measures the attitudes, beliefs and behaviour patterns of diverse populations in more than thirty nations. Data and documentation for each round of ESS are available for researchers free of charge. They can be downloaded from ESS website after a short registration. Online analysis is available for integrated international datasets on Nesstar platform.

Explaining the Turnout Decline in Canadian Federal Elections: A New Survey of Non-voters (Elections Canada / Decima Research and Jon H. Pammett, Carleton University; Lawrence LeDuc, University of Toronto)
This March 2003 report examines potential reasons for turnout decline in Canadian Federal Elections through a phone survey with 960 reported voters and 960 reported non-voters in April 2002 (5,637 respondents completed short screening interviews to produce the sample for the longer questionnaire). The website contains the data in Excel, SPSS POR and SPSS SAV formats; the questionnaire and methodology in PDF; and the final report in PDF.

Five Thirty Eight (Nate Silver)
Five Thirty Eight created by Nate Silver takes its name from the total number of US electors. It covered a broad spectrum of subjects including politics, sports, science, economics, and popular culture.

Franklin & Marshall College Poll-Pennsylvania (The Center for Opinion Research and Franklin & Marshall College)
The Center for Opinion Research conducts the Franklin & Marshall College Poll (formerly the Keystone Poll) that relates to state and local affairs in Pennsylvania. Reports of poll results in PDF are available back to 1995.

Gallup Organization (Gallup Organization)
The home page for the polling organization Gallup. Recent poll results may be found as well as special reports. Gallup's data is available via Gallup Analytics, which UW-Madison does not have a subscription to. Gallup World Poll and the US Daily Tracking Poll can only be accessed via Gallup Analytics. However, some Gallup data (prior to 2016) are archived at the Roper Center, to which DISC subscribes (via IP authentication). UW-Madison users may download data from the Roper Center directly.

Gallup-Healthways Well-Being Index (Gallup and Healthways)

The polling firm Gallup and health-management firm Healthways have teamed up to produce the Gallup-Healthways Well-Being Index. Conceived as a 25-year initiative, the project is interviewing no fewer than 1,000 U.S. adults daily, 350 days a year, asking questions designed to reflect how Americans evaluate their health, their work, and their lives in general. The index aims to be "the official measure for health and well-being" for the United States.

Component indices include life evaluation, emotional health, physical health, healthy behaviors, work environment, and basic access. The site carries national graphs of the indices since January 2008, monthly reports, and daily snapshot findings. The site also links to a companion resource hosted by America's Health Insurance Plans (AHIP) that creates annual reports based on Well-Being index data for each of the Congressional Districts in the U.S.

General Social Survey (GSS) (National Opinion Research Center (NORC))
"The General Social Survey (GSS) conducts basic scientific research on the structure and development of American society with a data-collection program designed to both monitor social change within the United States and to compare the United States to other nations." The GSS has been conducted regularly since 1972, and many of the core questions are unchanged to allow comparison across years. The GSS site at NORC allows users to search all GSS documents, browse GSS variables, download in SAS or SPSS, or analyze the data online in Nesstar. (The site also links to the SDA online analysis site at Berkeley.)

GenForward Survey (GenForward Project, University of Chicago.)
The GenForward Survey is conducted bi-monthly that gauge how respondents' race and ethnicity shape their experiences and perceptions about the world. Interviews are conducted with a nationally representative survey panel of adults ages 18-36 with oversamples of African Americans, Latinxs, and Asian Americans. Toplines, field reports, codebooks, and datasets are available for surveys from June 2016 to present. Registration is required to request codebooks and datasets.

Global Barometer Surveys (GBS) (Global Barometer)
Global Barometer Surveys (GBS) is a collaborative research project consisting of six regional barometers: Africa (Afrobarometer), East and Southeast Asia (Asian Barometer), South Asia (South Asia Barometer), Central and South America (Latinobarómetro), the Middle East (Arab Barometer), and countries of former Soviet Union (Eurasia Barometer). It measures the current social, political, and economic climate around the world. Survey topics, questionnaires, technical documents, and data download are available under Surveys tab. A short registration is required, before you can download any data.

Global Change Master Directory (GCMD) (U.S. National Air and Space Administration (NASA))
The Global Change Master Directory is a large database of records containing annotated links pointing to web pages for "Earth science datasets and services relevant to global change and Earth science research." The section on Human Dimensions, available as a link from the front page, makes the connection between the physical sciences that are the primary emphasis of the directory and the social sciences upon which global change impacts. The Human Dimensions section of the directory includes close to 3,400 records in the categories of Attitudes/Preferences/Behavior, Economic Resources, Human Health, Natural Hazards and more. Each record contains links, a brief text summary, contact information for the person or entity that created the site, and in many cases a Google Earth map showing the geographic coverage of the information.

Howard W. Odum Institute for Research in Social Science (University of North Carolina at Chapel Hill)
The Odum Institute maintains one of the oldest and largest archives of machine-readable data in the U.S. Its Louis Harris Data Center is the exclusive national repository for Louis Harris public opinion data. The Institute has an extensive collection of U.S. Census data, including one of the most complete holdings for 1970 Census files. Other major sources of data include the North Carolina State Data Center, which distributes North Carolina census data; and the National Center for Health Statistics. Also available are data from studies conducted by University of North Carolina at Chapel Hill social science faculty. Almost all of the data holdings are available online in the Odum Dataverse Network. The Odum Dataverse is freely searchable, and users can subset and generate descriptive statistical reports on datasets marked as being available for these operations. Many of the data files are also freely available to the public; others are limited to users at UNC-Chapel Hill.

Internet Center for Corruption Research (Transparency International and Goettingen University)
This center provides the Corruption Perception Index, which ranks countries by the extent of perceived corruption in public administration. Every country is provided with an individual score, allowing for cross-country comparisons. Annual reports begin in 1995; data is in HTML tables only from 1995-1999, and from 2000 on is also available in Excel spreadsheets. / Project for Excellence in Journalism (Project for Excellence, Pew Resource Center)

The Pew Research Center's Project for Excellence in Journalism has been studying news media, broadly defined, since 1997. Much of the research reported on the web site involves content analysis of press coverage, from traditional media to blogs and other social media sites. The project produces four regular indices: the News Coverage Index, the New Media Index, the Campaign Index, and the Talk Show Index. Also on the site is a comprehensive annual State of the News Media report, with some sortable online tables.

In the "Numbers" section of the site, users can view reports with customizable graphs, or download selected annual datasets from the regular indices listed above.

Kaiser Family Foundation Question Finder (Kaiser Family Foundation and Roper Center for Public Opinion Research)
The Kaiser Family Foundation Question Finder allows users to search for individual survey questions asked on all Kaiser Family Foundation polls since 1992. Search by keyword and/or date to find full question wording and results.

Kansas Data (Institute for Policy & Social Research, University of Kansas and University of Kansas)
The Institute for Policy & Social Research at the University of Kansas offers the Kansas Data site in support of public policy analysis. Preformatted county and city census data reports are provided as PDF documents, and users can also generate their own custom area profiles. Users can also design their own maps, trend graphs, and bar charts using the site. The Kansas Data site also offers the Kansas Statistical Abstract online edition, Kansas quarterly economic indicators, and links to other Kansas data resources.

Latin America Public Opinion Project (LAPOP) (Vanderbilt University)
The Latin America Public Opinion Project (LAPOP) is hosted at Vanderbilt University. LAPOP began several decades ago with a study of democratic values in Costa Rica. LAPOP is now the home of the AmericasBarometer survey, measuring democratic values and behaviors in the Americas (North, Central, South and the Caribbean) using national probability samples of voting-age adults. In addition to reports and documentation, LAPOP data is available for online querying in both a beginner and an expert mode. Raw data files are free and publicly available at this link. Subscriptions to the data are also available (UW-Madison does not currently subscribe.) Some LAPOP datesets are available from ICPSR and the Roper Center.

Laurier Institute for the Study of Public Opinion and Policy (LISPOP) (Wilfrid Laurier University, Waterloo, Ontario, Canada)
LISPOP is "a research center at Wilfrid Laurier University which studies issues pertaining to the creation, use and representation of public opinion in the policy process." The site includes a regular summary of published polls pertaining to Canadian politics, an annotated list of online poll data resources, and links to data holdings for Wilfrid Laurier University, the University of Waterloo, and the University of Guelph.

Louis Harris Data Center Dataverse (University of North Carolina-Chapel Hill, The Odum Institute)
From the website: "Since 1965, the Odum Institute has operated the Louis Harris Data Center, the national depository for publicly available survey data collected by Louis Harris and Associates, Inc. More than 1,000 Harris Polls from as early as 1958 are archived at the Center and contain over 160,000 questions asked of more than 1,200,000 respondents. Respondent groups range from national cross-section samples to such special populations as Vietnam veterans, Hispanics, teenagers, and the elderly. The surveys also cover a diverse range of topics, such as aging, environmental issues, leisure and the arts, business, foreign affairs, presidential ratings, health care, attitudes toward government, and crime. Many questions have been repeated over time, allowing researchers to track changes in opinions and attitudes."

Migration Information Source (Migration Policy Institute (MPI))
The Migration Information Source, including the MPI Data Hub, provides immigration information for an expanding list of countries. An interactive database generates tables in HTML and Flash-based charts. Links are provided to sites which provided the raw data for many of the tables and graphs. The site also includes breaking news stories related to immigration and immigration policy.

National Annenberg Election Survey (NAES) (Annenberg Public Policy Center, University of Pennsylvania)
The National Annenberg Election Survey (NAES) examines a wide range of political attitudes about candidates, issues and the traits Americans want in a president during the presidential election years 2000, 2004, and 2008. It has a particular emphasis on the effects of media exposure through campaign commercials and news from radio, television and newspapers. It also measures the effects of other kinds of political communication, from conversations at home and on the job to various efforts by campaigns to influence potential voters. 2004 and 2008 NAES contains panel surveys around key campaign events: pre-post primary election, pre-post conventions, pre-post debates, and pre-post general election. Users can request access to NAES data from its website. The 2000 and 2004 NAES datasets are available at DISC. The 2000 NAES has an accompanying book Capturing Campaign Dynamics: The National Annenberg Election Survey from Oxford University Press.

National Asian American Surveys (Karthick Ramakrishnan and Jennifer Lee)
The 2008 National Asian American Survey (NAAS) is a nationally representative survey of self-identified Asian/Asian American residents of the United States. The survey included questions about political behavior and attitudes as well as personal experiences in immigration to the United States. The 2016 NAAS is composed of two waves. Individual-level data from the Fall 2016 National Asian American Survey was fielded from August through October 2016 while the Post-Election Survey was fielded from November 2016 through February 2017. 2016 NAAS contains nationally representative data from telephone interviews of adult U.S. residents who self-identified as Asian/Asian American, Native Hawaiian or Pacific Islander, White, African American/Black, Hispanic/Latino, and Multiracial. Codebook, questionnaires, and microdata in either Stata or SPSS formats are available from this site.

National Opinion Research Center (NORC) (National Opinion Research Center, University of Chicago)
The National Opinion Research Center (NORC) at the University of Chicago is national organization for research with a variety of public and private clients. NORC's projects fall into five major substantive areas: economics and population; education and child development; health; substance abuse, mental health, and criminal justice; and statistics and methodology. The General Social Survey (GSS) is administered through NORC, and the Florida Ballots Project has data available from the NORC site.

Nationscape (Voter Study Group, Democracy Fund and University of California, Los Angeles)
Democracy Fund and researchers from the University of California, Los Angeles have created a new survey, Nationscape. It is designed to interview more than 500,000 voters from July 2019 to December 2020. Nationscape surveys are conducted online and interview approximately 6,250 Americans each week over 16 months. Its questions focus more on issues than on candidates. It tracks voters' attitudes over time and across geographies. It aims to understand voter choices, inform political discourse, and improve political representation across the country.

Pennsylvania State Data Center (Pennsylvania State University)
For visitors looking for information on the state of Pennsylvania, the Pennsylvania State Data Center provides a clearinghouse of data related to the commonwealth. Included in the site are official data and demographic reports related to Pennsylvania as well as projection estimates and housing and economic characteristics of the state.

Pew Global Attitudes Project (Pew Research Center)

The Pew Global Attitudes Project offers a collection of worldwide public-opinion surveys. The inaugural survey for the project, under the auspices of the Pew Research Center, was conducted among opinion leaders in 25 countries worldwide in November and December of 2001, with a focus on the then-recent events of September 11. The project's original intent, as announced in the initial survey report, was to "measure the impact of globalization, modernization, rapid technological and cultural change and recent terrorist events" on values and attitudes worldwide. To date, more than 90,000 interviews in 50 countries have been conducted, and the focus has expanded to include other aspects of people's views on their own lives and the state of the world.

The site also features the Key Indicators database, a Flash application that allows users to explore tables and maps reflecting survey results from the 55 countries and questions within the 5 topic areas surveyed: U.S. image, world economy and globalization, quality of life, Islamic extremism, and rating countries & organizations. The tables do not appear to have a download option, and the "custom analysis" option is in fact a table-builder and does not include any statistical analysis.

Datasets from over 20 of the surveys are available for download after a free registration. The download data are in SPSS .sav format, plus a questionnaire file and codebook file. The site also carries survey reports, commentaries, and links to media stories that reference Pew Global Attitudes Project surveys.

Pew Hispanic Center (Pew Charitable Trusts)
The Pew Hispanic Center, supported by Pew Charitable Trusts, was founded in 2001 "to improve understanding of the U.S. Hispanic population and to chronicle Latinos' growing impact on the entire nation." The Center commissions studies on such topics as education, immigration, labor, and economics, including some public opinion surveys. Several datasets are available on the site, along with research reports back to 2002.

Pew Internet and American Life (Pew Research Center)
The Pew Internet and American Life Project conducts surveys regarding Americans' use of the Internet. Reports back to May of 2000 are available in PDF, some trend data is available for download in Excel, and selected datasets are available for download in SPSS (free registration required for download).

Pew Research Center American Trends Panel (Pew Research Center)
The American Trends Panel (ATP), created by Pew Research Center, is a nationally representative panel of randomly selected U.S. adults. Panelists participate via self-administered web surveys. Panelists who do not have internet access at home are provided with a tablet and wireless internet connection. Surveys conducted in ATP track changes over time in people's attitudes, opinions and behaviors. American Trends Panel Datasets can be downloaded at after registration. A codebook for demographic profile variables and general instructions for working with ATP data is available.

Polling The Nations: The Ultimate Survey Database (UW-Madison Subscription) (ORS Publishing)
Polling the Nations is an online database of public opinion polls containing the full text of 600,000+ questions and responses, from 18,000+ surveys and 1,700+ polling organizations, conducted from 1986 through the present in the United States and more than 100 other countries around the world. Note: UW-Madison subscribes to this resource via IP authentication. Non-UW-Madison users may visit the Polling the Nations site at (
The Polling Report from Washington, D.C. has selected results of national opinion polls in politics and public policy. Data come from major research organizations, such as Gallup, Harris, Yankelovich, and Princeton Survey Research. Each topic displays the source and date, universe, number of respondents, question, and frequencies of responses. Additional state-by-state campaign polls and articles are available by subscription only.

Public Agenda On-Line (Public Agenda)
Public Agenda is a nonpartisan, nonprofit public opinion research and citizen education organization based in New York City. It provides poll results to politicians as well as interested citizens on a variety of topics. The site also contains internal links which offer overviews on many pertinent issues in American politics.

Purdue Opinion Panel Polls, 1949-1974 (The Purdue Opinion Panel)
In early 1940s Hermann Henry Remmers, a Professor of Education and Psychology at Purdue University designed a poll to understand the attitudes of teenagers. It was the first time nearly all Americans teenagers attended high school. Dr. Remmers utilized sampling techniques to gather information from this subset of the population through their schools. Purdue Opinion polls began with respondents in Indiana, then expanded to five Midwestern states, and eventually covered the whole nation in 1945. Topics cover parents, education, television, civil liberties, communism, ethics, science, selective service, drugs, poverty, and the Middle East. Roper Center holds datasets from sixty Purdue Opinion Panel polls from 1949 to 1974.

Quinnipiac University Polling Institute (Quinnipiac University)
The Quinnipiac University Poll regularly surveys residents in Connecticut, New York, New Jersey, Pennsylvania and nationwide about political races, state and national elections, and issues of public concern, such as schools, taxes, transportation, municipal services, and the environment. Press releases and poll results are available on the site.

Rand American Life Panel (ALP) Survey (The RAND Corporation)
The American Life Panel (ALP) Survey is a nationally representative, probability-based panel of over 6000 U.S. adults 18 and older. Panel members are regularly interviewed over the Internet for research purposes. They are provided with the technology to respond to surveys, so the panel is representative of the whole adult U.S. population, not just those with internet access. ALP, a longitudinal panel tracks changes in public opinion by surveying the same people over time. Topics in ALP surveys include the effects of the 2008 financial crisis, impacts of the Affordable Care Act, multiple election surveys, and more. Data is freely available to registered researchers at

RealClearPolitics (polling section) (RealClearPolitics)
RealClearPolitics is a right-leaning political analysis site founded in 2000 by John McIntyre and Tom Bevan. The polling section of the site includes links to national and state polls, polling averages, and electoral college maps, including maps from elections back to 1968. The site also featured a fantasy marketplace game based on the Intrade online futures trading market, at, where participants could bet pretend-money on their political picks.

Roper Center for Public Opinion Research (UW-Madison subscription) (Roper Center for Public Opinion Research)
The Roper Center for Public Opinion Research at Cornell University is a leading archive of public opinion data in the world. It holds data dating back to the 1930s and from over 100 nations. It focuses on public opinion data primarily collected by commercial and media survey organizations. Roper iPOLL has over 650,000 public opinion survey questions. The Latin American Databank (LAD) includes data from public opinion surveys conducted by the survey research community in Latin America and the Caribbean, including universities, institutes, individual scholars, private polling and public opinion research firms. Presidential Approval is a data visualization tool utilizing U.S. national probability-based polls housed in Roper Center. Roper Center's bibliography has citations to research articles using Roper Center's datasets. It does not include opinion pieces, news stories, or articles in popular magazines. In February of 2021 questions from U.S. state-level polls were made available in the Roper iPoll database. It includes exact question wording, sample size, and survey sampling method. These state polls are from major national polling organizations and some of the oldest and most respected state-level polling series like Archibald Crossley's seminal 1944 election polls, Joe Belden's Texas Poll, Mervyn Field's California Poll, the Iowa Poll, the Los Angeles Times Poll, and state exit polls back to 1978.

Social Science Japan Data Archive (SSJDA) (Center for Social Research and Data Archives, Institute of Social Science, University of Tokyo)
The Social Science Japan Data Archive (SSJDA) is affiliated with the Center for Social Research and Data Archives in the Institute of Social Science (ISS) at the University of Tokyo. SSJDA collects, maintains, and provides access to social science data to researchers who are interested in Japanese quantitative data for secondary analyses. Users are required to fill out online applications and get approval before they can access datasets housed in SSJDA. Most of the datasets are in Japanese.

Survey of the Health of Urban Residents (SHUR) (Institute on Critical Race And Ethnic Studies, Lehigh University)
The Survey of the Health of Urban Residents (SHUR) was administered online to a nonprobability quota sample in 2018. It respondents consists of adults ages 18 and older living in urban areas across the contiguous United States. African American and Latinx populations were oversampled, as well as persons whose usual source of care was not a doctor's office. It includes measures of stressors such as a range of negative encounters with the police and relational aspects of health care delivery, such as respondents' perceptions of respect during their clinical encounter. Data are available to researchers after they complete a data request form.

The American Panel Survey (TAPS) (Weidenbaum Center on the Economy, Government, and Public Policy, Washington University in St. Louis)
The American Panel Survey (TAPS) is a monthly online survey of a national probability sample from a panel of about 2,000 adults in the United States. TAPS returns to the same participants who have been recruited randomly. Recurring questions include a battery of approval measures, economic evaluations, ideology and party identification, candidate evaluations, and major issues, such as immigration and the Supreme Court. Data may include questions fielded by additional researchers. Data and TAPS documentation are available from TAPS Data Archive. Users can download data in Stata, SPSS, and R formats.

The Cooperative Congressional Election Study (CCES) (Stephen Ansolabehere and Douglas Rivers)
The Cooperative Congressional Election Study is designed to study congressional elections and representation using very large scale national surveys. Its questionnaires consist of Common Content, Team Content and Group Content. They include demographic indicators, party identification, ideology, pre-election and post-election questions and contextual information about representatives, candidates, and elections. CCES' sample identifiers include region, state, county, congressional district, zip code, and designated market area (DMA). CCES data and documentation files are downloadable via links to Harvard Dataverse.

The Higher Education Resource Institute (University of California-Los Angeles)
The Higher Education Research Institute is an " interdisciplinary center for research, evaluation, information, policy studies, and research training in postsecondary education." Based in the University of California-Los Angeles Graduate School of Education and Information Studies, the HERI sponsors the CIRP survey of college freshmen as well as the HERI Faculty Survey and the CSS (College Senior Survey). Sample formats of the CSS and CIRP (Cooperative Institutional Research Program) are available on the site in PDF. The site also includes links to recent research at the Institute as well as Institute publications.

The Hotline from National Journal (UW-Madison Subscription) (National Journal)
The Hotline is the National Journal's "daily briefing on politics." Up-to-date material is provided on a number of pressing issues. The site is a virtual newspaper with a number of columns, almanacs, and reports on various election races throughout the country. Note: UW-Madison subscribes via IP authentication.

The National Campaign to Prevent Teen & Unplanned Pregnancy (The National Campaign to Prevent Teen & Unplanned Pregnancy)
The web site of The National Campaign to Prevent Teen & Unplanned Pregnancy carries two data sections, one for national data and one for state data. State profiles offer HTML tables with one year of statistics and links to data sources for topics including teen demographics, teen pregnancy and birth, teen contraceptive use, and teen sexual activity. Pull down menus allow comparisons between states. National data includes fact sheets and National Campaign polling reports in PDF, and reports calculating costs of teen childbearing per state.

The Pew Research Center for People and the Press (The Pew Research Center for People and the Press)
The Pew Research Center is an independent opinion research group that studies attitudes toward the press, politics and public policy issues, best known for regular national surveys that measure public attentiveness to major news stories, and for polling that charts trends in values and fundamental political and social attitudes. The web site contains downloadable survey data files (free registration required) back to 1997.

The Social and Economic Survey Research Institute (SESRI) Data Center at Qatar University (Qatar University)
The Data Center at The Social and Economic Survey Research Institute (SESRI) at Qatar University offers access to datasets and documentation from select SESRI studies, for research and statistical purposes only. Below are some of the studies.
Qatar Against the Blocakade (November 2017)- explores the implications (e.g. legal, social, etc.) of a blockade on Qatari citizens.
Social Capital Survey (February-March 2011)- examines social activity between various groups, community and religious organizations, etc. within Qatari society.
Marriage Delay (March-April 2013)- examines time of first marriage for Qatari nationals (both men and women) to explore impact of delayed and/or non-marriage.
World Values Survey (December 2010)- a global project which explores the impact that changing values may have on social and political life.
Omnibus Series (2010, 2012, 2014)- explores "the social, economic, and cultural attitudes, values and beliefs" of the current population.
Data and documentation are available in zipped file format.
The Social and Economic Survey Research Institute (SESRI) is a social science survey research initiative of Qatar University, whose mission is "to contribute to the development of Qatari society by providing high quality survey data to guide policy formulation, priority setting, and evidence-based planning and research in the social and economic sectors." The Institute's research focus includes labor and employment, changes in social values, health, education, the impact of social and traditional media, and much more.

Understanding America Study (UAS) (Center for Economic and Social Research (CESR), University of Southern California)
The USC Understanding America Study (UAS) is a nationally representative online panel managed at the University of Southern California. It includes a Native American subset. UAS participants use computers, tablets and/or smartphones to answer UAS surveys on a wide range of topics: elections, disaster response, health, aging, and finances. UAS site offers data visualization tools for summary reports. Visitors can view documents of UAS surveys and their individual variables. UAS data are available to researchers after they fill out a registration form on the site.

VOTER (Views of the Electorate Research Survey) Survey (Voter Study Group, Democracy Fund)
The Views of the Electorate Research (VOTER) survey starting in 2016 has been polling over 6,000 adults on their political attitudes, values, and affinities in 2011 as well as self-reports of their turnout and vote choice. Because most respondents have participated in the surveys over time, VOTER survey offers unique longitudinal data on public opinion on the country's most divisive issues. Data can be downloaded in csv, Stata, and SPSS formats. Registration is required for data download.

Washington Post Opinion Polls Archive (Washington Post)
The Washington Post Opinion Polls Archive carries poll results back to 2006, primarily regarding electoral politics.

World Values Survey (World Values Study Group)
The World Values Survey (WVS) is a worldwide investigation of sociocultural and political change. It is conducted by a network of social scientists at leading universities all around the world. The survey is performed on nationally representative samples in almost 100 countries which contain almost 90 percent of the world's population, using a common questionnaire. WVS has been carried out since 1981. Data files are available for download in comma delimited, SPSS SAV, R, and STATA formats (free registration required). The site also includes an online data analysis module, allowing users to select countries and samples for browsing data. Its cartographical view provides a different view of results and allows users to get indicators useful to build rankings. Maps are displayed for indicators built for each variable. (Program on International Policy Attitudes at the University of Maryland) is an international collaboration between a consortium of research centers studying public opinion on international issues in their respective countries. The collaboration is managed by the Program on International Policy Attitudes at the University of Maryland. The site carries polling reports categorized by topic and by region. Each report generally links back to the originating organization, which may or may not provide the data for online download.

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