IPUMS

U.S. Census and American Community Survey microdata from 1850 to the present.

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Current Population Survey microdata including basic monthly surveys and supplements from 1962 to the present.

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Census microdata covering 82 countries from 1960 to the present. IPUMS NAPP offers microdata from the 19th and early 20th centuries.

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Demographic and Health Surveys integrated for analysis across time and space from the 1980s to the present.

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Tabular U.S. Census data and GIS boundary files from 1790 to the present.

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Integrated data on population and the environment from 1960 to the present.

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Historical and contemporary time use data from 1965 to the present.

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Health survey data from the National Health Interview Survey from the 1960s to the present.

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Survey data on the science and engineering workforce in the U.S. from 1993 to the present.

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USE IT FOR GOOD: News and Information from IPUMS

Maps of Nicaragua Muncipalities in 1971 and 1995

Challenges in Mapping the Past: the Example of Administrative Boundaries in Nicaragua in 1971

Boundaries change frequently, and one has to account for that when comparing data across time. This blog post explains how IPUMS-I approaches the task of mapping historical boundaries. (Read More)