Demography

IPUMS USA

IPUMS USA collects, preserves and harmonizes U.S. census microdata and provides easy access to this data with enhanced documentation. Data includes decennial censuses from 1790 to 2010 and American Community Surveys (ACS) from 2000 to the present.

IPUMS CPS

IPUMS CPS harmonizes microdata from the monthly U.S. labor force survey, the Current Population Survey (CPS), covering the period 1962 to the present.

IPUMS NAPP

The North Atlantic Population Project (NAPP) harmonizes and disseminates nineteenth and early twentieth century census microdata. The collection includes data from Canada, Denmark, Great Britain, Germany, Iceland, Norway, Sweden, and the United States for the period 1703 to 1911.