Coverage: Varies depending on the dataset.
The largest repository of standardized and structured statistical data, Data Planet includes over 6.2 billion datasets and offers immediate access to data presented in charts, maps, graphs, and table form. Users can compare billions of indicators at the county, MSA, census-tract, state, and country level.
Coverage: 1790 to present
Social Explorer is an online research tool designed to provide quick and easy access to current and historical census data and demographic information. The web interface lets users create maps and reports to better illustrate, analyze and understand demography and social change.
The MarcroDataGuide is a starting point for researches and students worldwide in search of high quality data for social science research. Created by the Norwegian Social Science Data Services, it informs not only on which data are out there and where they can be found, it also provides a qualitative assessment of these resources.