Research Guides: *Political Science*: Data, Statistics, & Polls

Statistical Sources

Vital Statistics on American Politics
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Congressional Quarterly's Vital Statistics Series is the definitive source for data and analysis on American politics, with in-depth coverage of the three branches of government, lobbying and special interest groups, campaigns and elections, political parties, and public opinion.
Explore Census Data This link opens in a new window
Provides population, housing, economic and geographic data from the latest Decennial Census, the Economic Censuses and Surveys, and the American Community Survey. Users can view reference maps and create comparison tables and thematic maps which can be downloaded and printed. Coverage varies.
China Data Online
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Comprehensive database focusing on economic statistics of China, arranged by regions and categories. BRYN MAWR subscribes to the statistical modules only.
Historical Statistics of the United States
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Contains more than 37,000 annual time series of quantitative historical information covering population, work and welfare, economic structure and performance, governance, and international relations. Covers the colonial period to the present.
ICPSR (Inter-university Consortium for Political and Social Research) Data Archive
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Provides access to an archive of online social science data, training facilities in basic and advanced techniques of quantitative social analysis. Provides a comprehensive list of ICPSR resources and services, information on membership and governance, links to national data archives affiliated with ICPSR, and contact information.
America Votes
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Congressional Quarterly's America Votes series provides official, state-certified election returns and key data by county and by district for the House, Senate, and gubernatorial elections for each election cycle. 2013-present. (1950-2013: See print books at the library.)

International Country Risk Guide
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The ICRG (International Country Risk Guide) Researcher's Dataset from the PRS Group comprises 22 variables in three subcategories of risk (political, financial, and economic), for 146 countries, over the period 1984 to the previous year. Data are annual averages of components published in the International Country Risk Guide.

Social Explorer
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Offers access to reports and interactive maps for the U.S. Census (1790-present), World Development Indicators (1960-2013), and Eurostat (European Union data), among others. A project of Queens College, sponsored by the New York Times and the National Science Foundation.

Statista
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Provides access to selected statistics and studies of over 600 industries gathered by market researchers, trade organizations, scientific publications, and government sources from 2007 to the present.

UNdata This link opens in a new window
A single entry portal for UN databases. Find data series by searching or browsing by theme. Includes Country Profiles, Advanced Search and Glossaries to aid research. All countries and a wide range of themes are covered.
World Development Indicators (WDI) Online This link opens in a new window
World Development Indicators (WDI) is the primary World Bank collection of development indicators, compiled from officially recognized international sources. It includes more than 1100 indicators on population, income, social, economic, financial, natural resources, and environment, covering 210 countries and 18 regional and income groups. Also includes the International Debt Statistics (IDS) database. Data ranges from 1960-present.

Worldwide Governance Indicators
Governance indicators for 213 countries cover six areas: Voice and accountability, Political Stability and Absence of Violence, Government effectiveness, Regulatory quality, Rule of law, and Control of corruption.

Public Opinion Data

Afrobarometer
An independent, nonpartisan research project measuring the social, political and economic atmosphere in Africa. Afrobarometer surveys are conducted in more than 20 African countries and are repeated on a regular cycle. Part of the Global Barometer Survey series. Includes an online data analysis tool, downloadable data files, country reports, and publications.
Arab Barometer
Part of the Global Barometer Project, a network of regional studies on the attitudes of ordinary citizens. public opinion studies. Includes an online data analysis tool, downloadable data files, country reports and publications.
Asian Barometer
An independent, nonpartisan research project measuring the social, political and economic atmosphere in Asia. Asian Barometer surveys are conducted in 18 East and South Asian countries and are repeated on a regular cycle. Part of the Global Barometer Survey series. Includes an online data analysis tool, downloadable data files, and publications.
Eurobarometer
The European Commission monitors and reports public opinion in the E.U. Data concerns citizenship, social issues, health, culture, information technology, the environment, and the Euro. Provides opinion data twice yearly. Information is available for individual countries, regional groups, and the entire EU.
Gallup
Reports, infographics and articles from Gallup opinion polls. Does not include dataset downloads or survey methodology files.
Latinobarómetro
Provides summary level public opinion data for Latin American countries for the period 1995- . Latinobarómetro surveys are conducted in more than 18 Latin American countries and are repeated on a regular cycle. Part of the Global Barometer Survey series. Includes an online data analysis tool, downloadable data files, country reports, and publications.
Pew Research Center
Pew Research Center is a think think that conducts public opinion polling and other social science research. Their Pew Global section contains research with an international focus. Several of the Publications sub-topics include a Question Search, and downloadable datasets.

Roper Center Public Opinion Archives (iPOLL)
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Find results from US national public opinion surveys (1935-present). Includes public opinion research from 120+ countries. Use this database to find polls from Gallup, Pew, and more.

You can:
- Search iPOLL to find individual survey questions and answers
- Compare public opinion over time
- Find US election exit poll results
- Download full datasets for surveys curated by the Roper Center
Statista: The Leading Statistics Portal
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Provides access to selected statistics and studies of over 600 industries gathered by market researchers, trade organizations, scientific publications, and government sources from 2007 to the present.

Quinnipiac University Polling Institute
Quinnipiac University conducts timely public opinion polls on politics and public policy in Connecticut, Colorado, Florida, Iowa, New Jersey, New York, Ohio, Pennsylvania, Virginia and nationally as a public service and for academic research. Includes a searchable question database with downloadable summaries, trend tables, cross-tabulated tables, and methodological files.

Vital Statistics on American Politics
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Congressional Quarterly's Vital Statistics Series is the definitive source for data and analysis on American politics, with in-depth coverage of the three branches of government, lobbying and special interest groups, campaigns and elections, political parties, and public opinion.