Public opinion data

Data-Planet™ is a large dynamic repository of statistical data.

Established in 1962, the Inter-university Consortium for Political and Social Research (ICPSR) maintains and provides access to an extensive archive of social science data for research and instruction. It is the world’s largest digital social science data archive, comprising over 6,200 collections and 500,000 discrete files.  It acquires and ingests approximately 300-400 collections per year and manages some of the largest and widely-used social science data sets available.

ICPSR is a consortium of more than 700 academic institutions and research organizations. 

The Roper Center for Public Opinion Research at the University of Connecticut is a non-profit, non-partisan international archive of social science data, specializing in data from opinion surveys.The data held by the Roper Center ranges from the mid-1930s to the present.  Most Roper survey data is from the United States, but data sets from 90 other countries are also held. The Center also provide graduate training in the practice and study of opinion survey research.  

Gale is a division of Cengage Learning Inc., a privately held for-profit corporation based in Stamford, CT,  heavily invested in textbook publishing. Gale publishes major databases of digitized materials for the post-secondary academic market.

Since its inception in 1944, the World Bank has expanded from a single institution to an associated group of coordinated development institutions with a shared goal of reducing poverty. The Bank's mission evolved from a facilitator of post-war reconstruction and development to its present day mandate of worldwide poverty alleviation. The World Bank's most recent stated goal is the reduction of poverty in part by creating learning opportunities for countries. 

Microform Imaging Limited has two distinct trading divisions. Microform Scanning & Microfilming which provides bureau services, and Microform Academic Publishers which maintains the company’s original pedigree focusing on preservation and dissemination of the information and knowledge stored in libraries, archives and record offices from all corners of the United Kingdom. Additionally their British Online Archives (BOA) is used for their digitized primary source collections under the parent company of Microform Academic Publishers.

East View Information Services (EVIS) is a provider of native and translated foreign language information products and services, including Russian, Chinese, and Arabic databases, print periodicals, books and microforms. The company serves academic institutions, government organizations, corporations, public and federal libraries and law firms. East View was founded in 1989 and is headquartered in Minneapolis, MN, with major offices in Russia and Ukraine.