Libraries

Find Statistics & Data

DataCite
Large index of research data compiling data across over 1000 repositories including the Harvard Dataverse, ICPSR and Dryad.
Google Dataset Search (Beta)
A search tool from Google launched in 2018 to locate freely available online data.

Dryad
Dryad is a nonprofit repository for data underlying the international scientific and medical literature.
Figshare
Repository of research output including posters, presentations data and code.
Harvard Dataverse Network (DVN)
Harvard's Dataverse Network is an eclectic collection of datasets and data collections from the Institute for Quantitative Social Science (IQSS) at Harvard University, covering a wide-range of subjects and disciplines, including scholarly journal replication archives.

ICPSR
ICPSR (Inter-university Consortium for Political and Social Research) maintains a data archive of more than 250,000 files of research in the social and behavioral sciences. It hosts 21 specialized collections of data in education, aging, criminal justice, substance abuse, terrorism, and other fields.

IPUMS
IPUMS provides census and survey data (microdata if available) from around the world integrated across time and space. IPUMS integration and documentation makes it easy to study change, conduct comparative research, merge information across data types, and analyze individuals within family and community context.
Zenodo
Project of the Open Access Infrastructure for Research in Europe, Zenodo originally served as a catch-all repository of EC funded research but has expanded to contain data submissions from world wide.

Data.Gov
U.S. Government’s open data resource including
resources to conduct research, develop web and mobile applications, and design data visualizations.
d-Portal
From the International Aid Transparency Initiative. Comprehensive open source data from hundreds of national governments, NGOs and multilateral organizations.

Data Planet
Repository of standardized and structured statistical data
Social Explorer
Data visualization tool that allows users to create, save, and export data maps and reports. The raw data is sourced from the U.S. Census Bureau, the CDC, the FBI, the National Historical Geographic Information System as well as other government and commercial bodies. Those datasets can be downloaded for use on other platforms, and external datasets can be uploaded. The bulk of the material relates to the United States. There is census information as early as 1790 but most datasets are from 2000-2021.

Our World in Data
Our World in Data is an online publication from University of Oxford that shows how living conditions are changing. The aim is to give a global overview and to show changes over the very long run, so that we can see where we are coming from and where we are today.
The GDELT Project
GDELT Project monitors the world's broadcast, print, and web news from nearly every country in over 100 languages and identifies the people, locations, organizations, themes, sources, emotions, counts, quotes, images and events driving our global society, creating a free open platform for computing.

NIH Data Sharing Repositories
NIH-supported data repositories that make data accessible for reuse.
Open Access Directory Data Repository List
Comprehensive listing of repositories and databases for open data across a wide variety of subjects and disciplines.
Public Library of Science Recommended Repositories
A set of established repositories that are recognized and trusted within their respective communities, listed by subject area.
r3Data.org
Registry of Research Data Repositories; search or browse by subject, content type or country.
Royal Society of Chemistry Recommended Repositories
List of commonly used repositories recommended by the Royal Society of Chemistry.
Scientific Data Recommended Repositories
Recommended repository list from Scientific Data (a Nature Research journal).

Open Think Tank Directory
A global collection of 2700 think tanks and related organizations.
Selected Think Tanks
List of selected Think Tanks from UC Berkeley's guide to researching NGOs.
Think Tank Search
From the Harvard Kennedy School of Government, a comprehensive list of think tanks and NGOs in the United States and around the world.
Think Tank Search (Google Custom Search)
A Google Custom Search of more than 1200 think tanks and research centers from the Harvard Kennedy School.

International Government Sources" A list of resources providing statistics and data from UC Berkeley.
NGO Data Sources: A comprehensive list of NGO data sources from UC Berkeley's guide to researching NGOs.