Because librarians are like that , here is a repository of repositories of repositories .
If you want to search for a variable specifically standard development,demographic or social science look no further.In their own words "re3data.org is a global registry of research data repositories that covers research data repositories from different academic disciplines.... It is funded by the German Research Foundation (DFG) and Project partners are:the Berlin School of Library and Information Science at the Humboldt-Universität zu Berlin,the Library and Information Services department (LIS) of the GFZ German Research Centre for Geosciences,the KIT Library at the Karlsruhe Institute of Technology (KIT) and the Libraries of the Purdue University.The German partners are actively involved in the German Initiative for Network Information (DINI) "
Also all formal repositories of research data and most data archives are represented. It important to use Re3 FIRST. This is because you will find that many datasets are replicated in many repositories around the world in various formats. In searches this results in duplicates findings.
Australian National Data Service(ANDS)
In their own words/website, they claim that "Research Data Australia is the data discovery service of the Australian National Data Service (ANDS). ANDS is supported by the Australian Government through the National Collaborative Research Infrastructure Strategy Program."
The Information Services Division : National Health Services Scotland
In their own words/website, they claim that "ISD aims to proactively publish data for which there is a wide demand so that it is freely available to all. ISD also releases data through bespoke information products, commonly via the Scottish Health Information Service, to NHS and partner organizations. Should you require information that requires bespoke new analysis of health and care data held in our national databases this can be requested via our Information Request Service."
Latin American Open Data Initiative
In their own words/website, they claim that "The Latin American Open Data Initiative (ILDA) is conceived as a multi-stakeholder project to foster research,use, and appropriateness of open data in Latin America.ILDA carries out three main activities: support the development of open data policies; make aware and train civil servants in open government and open data, and develop of studies and fostering of use and appropriateness of open data by different social actors."
The UK's largest collection of digital research data in the social sciences and humanities.
Bureau of Labor Statistical Information
Statistical Sites on the World Wide Web.
"NIH Data Sharing Repositories Most accept submissions of appropriate data from NIH-funded investigators (and others), but some restrict data submission to only those researchers involved in a specific research Links are provided to information about submitting data to and accessing data from the listed repositories. Additional information about the repositories and points-of-contact for further information or inquiries can be found on the websites of the individual repositories. Are we missing a data sharing repository? Contact us."
City data.com and Us. National Library medicine These are both great places to put data and to search for data if your field is biology or zoology and any health science
The links below lead to data that can be analyzed online.They are mainly American and European.For African and other developing countries look at the getting local data tab:
This allows online univariate summary statistics (e.g., mean, frequency counts).Registered users REMEMBER THAT MEANS YOU HAVE TO CITE ,can also create cross-tabulations that can be downloaded in MSExcel format,and perform regression analysis (registration required).Registered users who are interested in performing more sophisticated multivariate analysis can create and download customized data sets that can be imported into a variety of statistical packages (e.g., SPSS, SAS, STATA).
General Interest
University Data Libraries
International
Natural Sciences