The MPC is one of the world’s leading developers of demographic data resources. We provide population data to thousands of researchers, policymakers, teachers, and students. All MPC data are available free over the internet.

Integrated Public Use Microdata Series


Harmonized data for 1960 forward, covering 560 million people in 258 censuses from around the world.


Harmonized data on people in the U.S. census and American Community Survey, from 1850 to the present.


Harmonized data on people in the Current Population Survey, every March from 1962 to the present.

North Atlantic Population Project

Complete-count data from 1800s censuses of Canada, Great Britain, Germany, Iceland, Norway, Sweden, and the U.S.

Other MPC Projects

National Historical Geographic Information System

Tabular U.S. census data and GIS boundary files from 1790 to the present.

Integrated Health Interview Series

Annual harmonized data on people in the U.S. National Health Interview Survey from the 1960s to the present.

IPUMS Time Use

IPUMS Time Use

Historical and contemporary American Time Use data from 1965 to the present.


Demographic and Health Surveys integrated for analysis across time and space, 1980s forward.

Terra Populus

Integrated data on population and the environment, from 1960 to the present.