This focus of this page is opinion poll resources that contain files of untabulated survey responses suitable for custom analyze with statistical software. The sources described here are:

Roper Center	Eagleton Poll Archive
ICPSR	Polling the Nations
Odum Archive	Other Countries
Pew Center

Roper Center for Public Opinion Research
Roper is the world's largest computer-based archive of survey research and public opinion data.

• Content (1937 - forward)
  • national polls (Gallup, major news media, and commercial and non-profit survey organizations like the National Opinion Research Center (NORC);
  • states (especially California, Texas, Minnesota, and Iowa);
  • foreign countries (see below for details)
• Finding Tools
  • Catalog of Holdings
    Covers all the surveys archived at Roper.
    Searches a bibliographic description (including abstract).
    Returns links to survey files (untabulated responses plus documentation).
  • iPoll
    Covers only national U.S. surveys including some not archived at Roper.
    Searches question wording and results are the tabulated answers to a question.
    For any survey archived at Roper, results include a link to the files as listed in the Catalog of Holdings.

ICPSR
ICPSR is large archive containing many types of social science data including opinion polls.

• Content
  
  • U.S. news and media polls
  • International polls (see below for details)
• Finding Tools
  Searches a bibliographic description (including abstract).
  When searching enter the word opinion together with the topic or country you are interested in.
  Returns links to survey files (untabulated responses plus documentation).

Odum Institute for Research, Public Opinion Data
A collection of public opinion data that is part of a public data archive maintained by the University of North Carolina.

• Content
  
  • Harris Collection (1950's forward)
  • National Network of State Polls (coverage varies by state)
  • USA Today (1984-1993)
  • Community Indicators Survey (Knight Foundation)
• Finding Tool
  • Odum Archive Dataverse Interface.
    Searches a bibliographic description (including abstract).
    Results are all the survey files (untabulated responses plus documentation).
  Dataverse also has a subsetting/analysis tool.

Pew Research Center for the People and the Press
The Pew Research Center for the People & the Press is an independent, non-partisan public opinion research organization.

• Content
  attitudes toward politics, the press and public policy issues
• Finding Tool
  Site search box searches and returns the wording of commentaries on survey results.
  Survey references can be used to locate the survey in the chronological list of Datasets
  Entries in "Datasets" are all the survey files (untabulated responses plus documentation).

Eagleton Poll Archive
This is a public archive of polls conducted by Eagleton in conjunction with the newspaper, the Star Ledger.

• Content
  matters of political and social interest to residents of New Jersey
• Finding Tool
  Searches the question wording and returns questions.
  Results contain a link to tabulated results for the question, to frequencies or cross-tabulations among questions, and to a download for the files of untabulated results.
  Studies (data files and codebooks) can be downloaded directly from the site.

Polling the Nations
A commercial index to question-level results (not to the data files).

• Content (1980s-forward)
  Local polls (city and state), as well as well as national and international polls from a variety of survey organizations.
• Obtaining the Data:
  Tabulated results for each question are reported.
  To obtain files of untabulated responses, try the above archives.
  Use this interface because it allows for searching by location (including state, city, country), broad topic, keywords in the question, survey organization, and/or population group interviewed.

Other Countries

• ICPSR
  For a specific country, search for the country name together with the word, opinion.
  Also take note of surveys done across regions like Afrobarometer and Eurobarometer.
• Roper's Catalog of Holdings
  Use the pull-down "country" menu to limit searches by country.
  The collection is strong in (but not limited to) Great Britain, Canada, Germany, France, Italy, Japan and Latin America).
• Sources specific to Latin America
  
  • Latinobarometro
  • AmericasBarometer Surveys (LAPOP)
  • Roper's Latin American Data Databank