Pew Research Center, 1997+
The Pew Research Center is a "nonpartisan fact tank" conducts public opinion polling, demographic research, media content analysis, and other empirical social science research around several broad themes: U.S. politics and policy, use and influence of the media, the role of the internet and technology, Hispanics in the U.S., the role of religion in public life in the U.S. and beyond, social & demographic trends in the U.S., and global attitudes. All data and reports can be browsed by topic, searched by question, and are freely downloadable. 1997-present.