This portal provides easy access to open data and information about your city government. This repository has 472 datasets.

Offers a number of cancer-related datasets.

Here you can find data on law enforcement agencies, jails, parole and probation agencies and courts.

A pilot project with many government and geospatial datasets.

Access the survey data and documentation for any BRFSS survey year. The documentation provides technical and statistical information regarding the BRFSS, such as comparability, sample information, and more.

A realistic set of claims data in the public domain while providing the very highest degree of protection to the Medicare beneficiaries' protected health information.

More than one petabyte of data from particle physics experiments carried out by CERN.

The City of Chicago has made over 395 datasets available on topics such as energy, crime, transportation, pot holes reported, cars being towed and more.

Over one billion public comments posted to Reddit between 2007 and 2015, for training language algorithms

The Consumer Expenditure Survey (CES) series provides information on the buying habits of American consumers and data to support periodic revisions of the Consumer Price Index.

Data from the UK Government, including the British National Bibliography – metadata on all UK books and publications since 1950.

The most comprehensive visualization of U.S. public data. Data USA provides an open, easy-to-use platform that turns data into knowledge.

Wikipedia is comprised of millions of pieces of data, structured and unstructured on every subject under the sun. DBPedia is an ambitious project to catalogue and create a public, freely distributable database allowing anyone to analyze this data.

Based on data from European Union institutions.

The FBI is responsible for compiling and publishing national crime statistics, with free data available at national, state and county level.

Compilation of data from sources including the World Health Organization and World Bank covering economic, medical and social statistics from around the world.

General Social Survey (GSS) is a long running survey of social, cultural and political indicators. In addition to the GSS, topic modules include computer and Internet, racial and ethnic prejudice, and child mental-health stigma. The GSS has participated since 1985 in the International Social Survey Program.

Part of World Health Organization (WHO)

Search and analyze the full text of any of the millions of books digitised as part of the Google Books project.

125 years of US healthcare data including claim-level Medicare data, epidemiology and population statistics.

13,000 collated and labeled images of human faces, for use in developing applications involving facial recognition.

Pollution and air quality data from across London

How to download: Select a data source, which will bring you to the datasets from that source. To download, select desired format underneath the description of the dataset. To download HTML, a new page will open, scroll down to "Download Data", then select file format. To download CSV, click on the CSV button to download an Excel file. To download XML, a new page will open, select "Bulk Data Download (CSV)" under "Data Access" on left hand side. To download JSON, a new page will open, copy and paste text into Notepad.

Microsoft’s open machine learning datasets for training systems in reading comprehension and question answering.

A huge collection of environmental, meteorological and climate data sets from the US National Climatic Data Center. The world’s largest archive of weather data.

A sample of eighth-graders surveyed in 1988 on a range of topics. A sample were resurveyed through four follow-ups in 1990, 1992, 1994, and 2000. The study has four types of data files - student, teacher, parent, and school - although note each type is available for each survey year.

Information on nearly 4 million historical specimens in the London museum’s collection, as well as scientific sound recordings of the natural world.

Health data sets from the UK National Health Service.

Datasets on books including catalogs from libraries around the world

Conducted every three years, this survey collects information on the assets, liabilities and other financial characteristics of households. It is the only U.S. survey that contains an over sample of wealthy households. Sample Size is about 4,500 families.

A longitudinal U. S. government survey of the financial status of American households conducted since 1984. Covers government transfer and service programs, pension coverage, housing affordability, financial assistance for education, among other topics.

The Census Bureau's mission is to serve as the leading source of quality data about the nation's people and economy.

A dataset specifically pre-processed for machine learning.

Statistics compiled and published by the United Nations on international trade. Includes Comtrade Lab which is a showcase of how cutting edge analytics and tools are used to extract value from the data.

Offers statistics on the situation of women and children worldwide.

EPA data is organized by topic to help users find the information they need. Discover data on topics like air, water, land, chemicals and much more.

Data on educational institutions and education demographics from the US and around the world.

Datasets covering population demographics and a huge number of economic and development indicators from across the world.

The series is designed to enable a crossnational comparison of values and norms on a wide variety of topics and to monitor changes in values and attitudes across the globe. A variety of questions on religion and morality were included. Data is currently available at ICPSR for 1981-1984, 1990-1993, 1995-1997, and 1999-2004.

--Hongkiat (April 1, 2019)