Other features include national profiles, GIS maps, church membership overviews, denominational heritage trees, historical timelines, tables, charts, and other summary reports.
[3] The archive now includes both American and international collections as well as features for educators, journalists, religious congregations, and researchers.
[3] Roger Finke, then professor of sociology at Purdue University, founded the American Religion Data Archive in 1996 on a grant from Lilly Endowment.
The online archive launched in the fall of 1998 under the domain name www.thearda.com, and originally contained thirty-three surveys regarding American religion.
Data from the General Social Survey, the American National Election Studies, the World Religion Database, and the Pew Research Center are also available.
[12] A bi-weekly journalistic article dealing with matters of religion and (usually American) public life, written by David Briggs, also appears on the ARDA website.