IPUMS is sponsoring workshop registration fees for up to 20 workshop participants, with an emphasis on expanding access to scholars who are early career, outside of R1 institutions, or belong to systemically excluded groups in social science fields. Applications for funding will be reviewed on a rolling basis beginning January 30, 2023. 

If you plan to apply for workshop fees, do not add this workshop to your meeting registration.

IPUMS disseminates full count census enumerations for nine census years from 1850 to 1940. These full count data cover almost 700 million individual records and have opened the possibility of automated record linkages across census years to construct millions of individual life histories and trace millions of families over multiple generations. The IPUMS Multigenerational Longitudinal Panel (MLP) project links individuals' records across censuses. IPUMS MLP currently delivers crosswalks that link individual records in full count historical census data between censuses from 1850 to 1940. Those linking keys will soon be available through the IPUMS USA data access system, allowing users to more efficiently select and subset samples of full count data. We are also developing links to administrative data, including the Social Security NUMIDENT, that will be used to enhance the census linkages in subsequent versions of the data.

Objectives

1. Introduce full count IPUMS data and the challenges and opportunities of census linkage.

2. Explain the MLP linking strategy and machine learning algorithm.

3. Demonstrate how to access the data through IPUMS data access system, with tips on managing file size and using linking keys and crosswalks to create longitudinal panels.

4. Share information on opportunities to link IPUMS MLP to additional data, including modern surveys on older Americans and the rich collection of data available in Federal Statistical Research Data Centers (FSRDCs).

5. Provide opportunities for individual consultations with data experts. 

Presenters

• Catherine Fitch, Associate Director, Institute for Social Research and Data Innovation (ISRDI)

• Steven Ruggles, Director, ISRDI and Creator, IPUMS

• Katie Genadek, Economist and Director, Decennial Census Digitization and Linkage (DCDL)

• Jonas Helgertz, Associate Professor, Lund University

• Matt Nelson, Research Scientist, IPUMS

• John Robert Warren, Professor, University of Minnesota