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Assets and Health Dynamics of the Oldest-Old (AHEAD)


The Population Research Institute (PRI) is currently evaluating the SODAPOP service. The ability to extract a data set containing a subset of variables will not be supported after September 15, 2016.

The data collections in SODAPOP will still be available from the PRI. If you should have concerns about this change to the SODAPOP service or need to access some of the data, contact the PRI's Computational and Spatial Analysis (CSA) core at

STIPULATIONS FOR USE: Open Access to SodaPop - However, You MUST register to use any AHEAD or HRS data. You only need to register once, and the registration is good for working with both HRS and AHEAD data.

REGISTRATION: Click HERE to register. Please also see this page regarding third party redistribution of HRS/AHEAD data.

DESCRIPTION: Assets and Health Dynamics of the Oldest-Old (AHEAD) is a national survey of community-based Americans born in 1923 or earlier. It is sponsored by the National Institute on Aging. The focus of the AHEAD survey is to understand the impacts and interrelationships of changes and transitions for older Americans in three major domains: health, financial, and family. The first wave of data was collected from October, 1993 through July, 1994 by the Survey Research Center, Institute for Social Research, University of Michigan, Ann Arbor, Michigan.

Download AHEAD File

ORIGINATING AGENCY / PRINCIPAL INVESTIGATOR(S): Institute for Social Research, University of Michigan / Robert J. Willis

SENSITIVE AND RESTRICTED VERSIONS: There are sensitive and restricted versions of this data available.  Supplemental registration and/or contractual agreements for use are required. 

The Institute for Social Research HRS/AHEAD Website
HRS/AHEAD Data Alerts
Detailed Comparison of Variables in Version 1 and Version 2 - Wave 2 1995

DATA DISSEMINATED BY: HRS Project within the Institute for Social Research, University of Michigan