This page includes quick links to demographic data homepages or download sites, with the aim of serving as a gateway to primary demographic data sources to UCLA demographers and demographic information professionals. Most of the data files that the page links to can be located in the data archive collections of ICPSR or UCLA Social Science Data Archives (SSDA) or the CCPR Ready Data. For questions concerning the availability of or access to these data, please send email to

U. S. Data Sources

International Data Sources

Data Organizations