Integrated Public Use Microdata Series (IPUMS) USA Integrated Public Use Microdata Series (IPUMS) CPS Integrated Public Use Microdata Series (IPUMS) International Integrated Public Use Microdata Series (IPUMS) Time Use Projects National Historical Geographic Information System (NHGIS) Integrated Demographic and Health Series (IDHS) Integrated Public Use Microdata Series (IPUMS) Higher Ed National Health Interview Survey (NHIS) IPUMS Terra

NAPP data are available free of charge. Before using the data, researchers must complete this registration and agree to abide by the usage license specified below. By completing this application, you agree to receive occasional email messages. Such messages will be infrequent, and we will safeguard the confidentiality of your email address.

Provide at least 25 words in English describing your research project or educational use for the data. Your description should indicate the country(s) and time period you intend to study. This description will be used to evaluate your application.

By completing this registration, you agree to the following terms of use.

For some of the data in NAPP, you may be able to redistribute the data. You must contact us for permission. You should contact us about publishing even a subset of the data to meet journal requirements for accessing data related to a particular publication.
Using this data for genealogical purposes is strictly prohibited.
For information on proper citation refer to citation and use. Publications and research reports making use of NAPP should be added to our Bibliography.

IMPORTANT: These terms of use are a legally binding agreement. You can use the data only in accordance with these terms, and any other use is a violation of the agreement. Violations may result in revocation of the agreement and prohibition from using other IPUMS data. If IPUMS or our partners are harmed from your violation, you are responsible for all damages, including reasonable attorney’s fees and expenses.