Data Sets for Quantitative Research: Public Use DatasetsAlso Known as: Data Archives; Data Library; Data Services; Research Data Directory; Data and Statistical Services; Statistical Datasets; Research Data Management
There are many research organizations which make available datasets via the web, but no perfect search mechanism for sifting through the content of all these collections. The links below will take you to web portals which seem to be some of the best available. Note that these portals point to both free and pay sources for data, and to both raw data and processed statistics. Pay sources are marked with an asterisk.