The ARDA allows you to interactively explore the highest quality data on American and international religion using online features for generating national profiles, GIS maps, church membership overviews, denominational heritage trees, tables, charts, and other reports. Over 450 surveys and other data collections are available for online preview and virtually all can be downloaded free of charge.

The Hartford Institute for Religion Research is devoted to sociological research in the area of religion. The site provides information about various Institute research projects on issues such as women and religion, congregations, religion and the family, etc. Links to articles by leading scholars in the sociology of religion are also included, as well as bibliographies, syllabi, and other scholarly resources.