Integrated Public Use Microdata Series,

Census Microdata for Social and Economic Research

IPUMS-International is a project dedicated to collecting and distributing census data from around the world. Its goals are to:

  • Collect and preserve data and documentation
  • Harmonize data
  • Disseminate the data absolutely free!
  • 82 countries -
  • 277 censuses -
  • 614 million person records

Source data for IPUMS-International are generously
provided by participating National Statistical Offices