Integrated Population and Environmental Data

Decommissioning Notice: Thank you for using IPUMS Terra. Unfortunately, we are no longer able to support IPUMS Terra (including the Extract Builder, TerraClip and TerraScope), and have decommissioned the system.

See additional information on our decommissioning page.

IPUMS Terra integrates population and environmental data across disciplinary scientific domains, enabling research into dramatic transformations of human populations, the environment, and their interactions.

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What is IPUMS?

IPUMS stands for data integrated across time, space and scientific domains. IPUMS makes it easy to study change and conduct comparative research--by imposing consistent codes, supplying detailed documentation, and creating customized datasets. Data and services are available free of charge. Learn more about IPUMS.

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