Subject Guides: Data Sets: Data Set Portals

Portals

Academic Torrents
"A community-maintained distributed repository for datasets and scientific knowledge."
Data.gov
A clearinghouse for open data from the U.S. federal government.
Data USA
A website and visualization engine of public US Government data.
Google Dataset Search
"Enables users to find datasets stored across thousands of repositories on the Web."
Inter-University Consortium for Political and Social Research (ICPSR)
The Inter-university Consortium for Political and Social Research (ICPSR) provides access to an extensive collection of downloadable data sets.
Kaggle
A collection of public data sets.
Microsoft Research Open Data
"A collection of free datasets from Microsoft Research to advance state-of-the-art research in areas such as natural language processing, computer vision, and domain specific sciences."
Open Data Inception
A geotagged, curated list of 2600+ open data portals from around the world.
re3data.org
"Registry of Research Data Repositories"
SHARE
An index to research repositories, including data sets.