The German Ageing Survey (DEAS) is a longitudinal study on the living situation of individuals aged 40 and above in private households.
The Research Data Center at the DZA (FDZ-DZA) provides access to the data from the German Ageing Survey (DEAS), the D80+ study and the PREFER study (2009) for scientific research. We offer comprehensive documentation, expert guidance, and user support—making it easy for researchers to analyse DEAS, D80+ and PREFER data for their projects.

Old Age in Germany
The study "Old Age in Germany" (D80+) is a cross-sectional survey on the living situation of individuals aged 80 and above in private households or care facilities.

SUF DEAS 2023 and Refresher 2021 out now!
With a slight delay but plenty of new features, data of DEAS 2023 and DEAS 2021 Refresher surveys are now available! This new DEAS dataset release also includes updates to all previous waves, as well as refreshed metadata and weighting datasets.

Data Usage
The data from DEAS and D80+ are available as Scientific Use Files (SUF) upon completion of a usage agreement.

DEAS and D80+ publications
Based on our data, hundreds of scientific publications have already been published - easy and convenient to research.

German Survey on Volunteering
The German Survey on Volunteering (FWS) is only available at the GESIS Leibniz Institute for the Social Sciences.

FDZ-DZA at RatSWD
The FDZ-DZA is accredited by the Council for Social and Economic Data (RatSWD). They also have a mediation office to help resolve any problems.

Data protection on our website
We want you to feel secure when visiting our website. Here you will find information about data protection.

Frequently Asked Questions (FAQ)
For the most frequently asked questions regarding our data, documentation, and access to data usage, you will find answers here.
Project Members

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Scientist

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Student Assistant

Assistant