Since the start of the new administration on January 20, 2025, many government websites have been changed and government data have been removed. This page records ongoing efforts to track changes in government information and to preserve government data on other sites and in other repositories. If you know of other resources or tools related to U.S. Government data preservation, especially those helpful to people in your own field, please get in touch with Linnea Minich at l.minich@bowdoin.edu.
Current and historical census data and demographic information, national and international. Includes interactive maps 1790-2010, US Census 1790-2010, American Community Survey 2005-2015, FBI Uniform Crime Report 2010-2015, American election results 1912-2016, Religious Congregations and Membership Study (1980 and 2010), Vulcan Project carbon emissions data (2002), US Business Patterns (2014), and County Health Rankings and Roadmaps Program data (2010-2016). International data resources include the United Kingdom Census (2011), Canadian Census (2011), Eurostat (1990, 2000, 2010-2013), World Development Indicators (2013), and Irish religion and population data (1911 and 2001): 1790-Present.
Census and survey data from around the world integrated across time and space.
To find an archived version of a particular government website on the Wayback Machine, add wayback.com after the .gov
Examples
Simple domain:
www.epa.gov → www.epa.govwayback.com
Specific page:
www.whitehouse.gov/administration → www.whitehouse.govwayback.com/administration
Complex URL:
www.congress.gov/bill/118th-congress/house-bill/2 →
www.congress.govwayback.com/bill/118th-congress/house-bill/2
Lots of copies keep stuff safe (LOCKSS)
MIT provides a checklist for US federal data backups that includes identifying the data you're working with, confirming availability, and making backups. Now is a good time to download data you want or may want to use in future projects.
We relied heavily on work done by others in creating this page, especially the Hamilton College research guide and the Data Rescue Project website. Thanks to all the librarians, researchers, and interested and invested others who are supporting access to government data.