All persons are granted a limited license to use data and documentation from IPUMS IHGIS, subject to the following conditions:
- Redistribution: You will not redistribute the data without permission.
You may publish a subset of the data to meet journal requirements for accessing data related to a particular publication. Contact us for permission for any other redistribution; we will consider requests for free and commercial redistribution.
- Citation: You will cite IHGIS appropriately.
Publications and research reports should include the following citation:
Steven Manson, Tracy A. Kugler, Kathryn Grace, Jonathan Schroeder, David Van Riper, Steven Ruggles. IPUMS International Historical Geographic Information System: Version 2 [dataset]. Minneapolis, MN: IPUMS. 2023. http://doi.org/10.18128/D120.V2
For policy briefs, online resources, or articles in the popular press, we recommend that you cite the use of IHGIS data as follows:
IPUMS IHGIS, University of Minnesota, ihgis.ipums.org
Works based on data tabulated from IPUMS International must also cite IPUMS International:
Minnesota Population Center. Integrated Public Use Microdata Series, International: Version 7.1 [dataset]. Minneapolis, MN: IPUMS, 2018. https://doi.org/10.18128/D020.V7.1
Researchers should also acknowledge the statistical agencies that originally produced the data, listed on the IHGIS source organizations page and/or the IPUMS International partners page.
Please see the IHGIS DOI version history for citation details and applicable dates of previous versions of the data and the revision history for documentation about what has changed in the data over time.
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.
In addition, we request that users send us a copy of any publications, research reports, or educational material making use of the data or documentation.
Send electronic material to: ipums@umn.edu.
Printed material should be sent to:
IPUMS IHGIS
Institute for Social Research and Data Innovation
University of Minnesota
50 Willey Hall
225 19th Ave S
Minneapolis, MN 55455