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Integrated Public USA Microdata Series International

a PSC Data Resource

Resource Source:Minnesota Population Center


IPUMS-International is an effort to inventory, preserve, harmonize, and disseminate census microdata from around the world. The project has collected the world's largest archive of publicly available census samples. The data are coded and documented consistently across countries and over time to facillitate comparative research. IPUMS-International makes these data available to qualified researchers free of charge through a web data dissemination system.


Most population data—especially census data—has traditionally been available only in aggregated tabular form. IPUMS-International is composed of microdata, which means that it provides information about individual persons and households. This makes it possible for researchers to create tabulations tailored to their particular questions. Since IPUMS-International includes most of the information originally recorded by census enumerators, users can construct a great variety of tabulations interrelating any desired set of variables. Data are made available through a data extraction system in which users select the variables and samples they desire. They download the data and analyze them on their local computer. See the IPUMS FAQ for information on a variety of topics related to the design and use of the data series.

The data series includes information on a broad range of population characteristics, including fertility, nuptiality, life-course transitions, migration, labor-force participation, occupational structure, education, ethnicity, and household composition. The information available in each sample varies according to the questions asked in that year and by differences in post-enumeration processing. A full listing of available variables can be found in the documentation system.


Data and documentation (Source: University of Minnesota)
Application for use (Source: University of Minnesota)

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