IPUMS

Integrated Public Use Microdata Series (IPUMS) is the world`s largest individual-level population database. IPUMS consists of microdata samples from United States (IPUMS-USA) and international (IPUMS-International) census records. The records are converted into a consistent format and made available to researchers through a web-based data dissemi....
Found on http://en.wikipedia.org/wiki/IPUMS

IPUMS

Integrated Public Use Microdata Series. These are collections of U.S. Census data, adapted for easy use by the University of Minnestota Social History Research Laboratory, at its Web site http://www.ipums.umn.edu. Contexts: data
Found on http://www.econterms.com/glossary.cgi?query=IPUMS
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