Subject Guides: Data Science: Finding Data

Data Librarian

Jessica Breen

she/her/hers

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Subjects: Geography & GIS, Geography, Maps and GIS, Statistical Information

Open Data

Finding data for your own research

Google Dataset Search
A Google search engine specifically for locating datasets on the web. Contains ~45 million datasets from 13,000 sources. Enables users to curate, download, cite, and share links to datasets.
Google Advanced Search
Can be used to focus searches on specific file types, such as Excel, and Internet domains, such as .gov or .edu.
AU Library FAQ "I need a dataset for the quantitative section of my paper"
Eleven quick tips for finding research data
A 2018 article on finding research data, natural/physical science-centric but with some generally applicable advice.
Finding Data and Statistics
Guide to statistical information resources by subject, for U.S. and international.

Selected (out of over 100) online resources that AU (Library) subscribes to that contain numeric data - these are suitable for statistical analyses:

Online databases that AU Library subscribes to containing numeric data
The database descriptions provide an overview of their contents and any important access information. Selected ones from this large group are listed further below.

ICPSR: Inter-University Consortium for Political and Social Science Research
This resource includes both publicly available and non-publicly available datasets on public policy and social science research.
Browse ICPSR's Datasets and Series by Subject
**Access to datasets requires a free user-specific login.
To create or log into your ICPSR account, click on the 'Log In' button found in the upper right corner of most ICPSR pages.**
Additional information, particularly about off-campus access, is available in the library's Accessing ICPSR datasets at AU Subject Guide.
Gallup Poll Social Series (GPSS) microdata
Datasets (in SPSS format) and their codebooks (in Excel format) from the Gallup Poll Social Series (GPSS).

In support of the University's budget mitigation efforts, AU Library had to make cuts to our collection and cancel some resources. Unfortunately, Gallup Poll Microdata is no longer available as of November 10, 2025.
See our Polls and Public Opinion Subject Guide for options.
For more information about the library’s cancellation process, please see the Scholarly Resource Cancellations Subject Guide.
Cross-National Time-Series Data Archive
The Cross-National Time-Series Data Archive, launched in 1968, contains domestic conflict, political, legislative and economic data (around 200 variables) on over 200 countries from 1815 onward.
iPOLL and RoperExpress (Roper Center)
U.S. and international public opinion polls (iPOLL) and datasets (RoperExpress) from 1935 to present. Includes the major academic, commercial and media survey organizations.
DataCite Commons
Search for works that have been issued a Digital Object Identifier (DOI) by DataCite. Narrow results to "Work Type: Dataset" to select only those from search results. Results can be hit-and-miss, but datasets on "niche" topics may be found here.