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Welcome to SODHA, the Belgian federal data archive for social sciences and the digital humanities!

Here you can find and deposit social science and digital humanities data in reusable form. Published datasets receive a DOI, making them citable like other types of publications. SODHA promotes open data by enabling reuse of research data and by safely preserving datasets in the long term.

SODHA is the Belgian service provider in the Consortium of European Social Science Data Archives (CESSDA) and is hosted by the State Archives of Belgium. SODHA was built with the help of DEMO (UCLouvain) and Interface Demography (VUB).

You can consult the SODHA Guide here, and you can read our policies here.

Want to learn more about SODHA? Consult our brochure or our presentation on the State Archives' website.

If you have any question, you can contact us at sodha@arch.be.
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MS Word - 25.2 MB - MD5: 1c1e84f85756b3577b819177c5993315
MS Word - 7.1 MB - MD5: 81c529e0ae1001d0e6a90aaa49a8c530
Friedel Geeraert, Christina Vandendyck, Eveline Vlassenroot. (July 2025). Deliverable 2.1.1 Report on technical and functional requirements based on researcher needs, state of the art of access to born-digital collections and analysis of KBR technical infrastructure & Deliverable...
HTML - 306.1 KB - MD5: 624345eea253ccb8fbc180d85f39be19
Codebook
Adobe PDF - 926.8 KB - MD5: dad38561600e4cafaf0748f36fd40f65
Paper questionnaire in French
Adobe PDF - 209.3 KB - MD5: 13b8b87c3a3ee1d61b6e1847b101e3ac
Paper questionnaire in Dutch
Tabular Data - 6.9 MB - 229 Variables, 2626 Observations - UNF:6:BM3HLAaIKN04cBOpIG0HoQ==
CSV export of the dataset
Tabular Data - 2.2 MB - 229 Variables, 2626 Observations - UNF:6:c4xb3U54h97pzktnax8o3w==
SPSS export of the dataset
Tabular Data - 2.4 MB - 229 Variables, 2626 Observations - UNF:6:h6SxoUj4Rbyl+/w/1RcpYw==
Stata export of the dataset
The Social Study logo
Jul 9, 2025
The Social Study panel is a scientific mixed-mode (online and on paper) probability panel of 5.000+ Belgian residents aged 16 years and older, randomly selected from the national register, providing a representative sample of the Belgian population. Our aim is to facilitate, boos...
Tabular Data - 22.1 MB - 237 Variables, 5749 Observations - UNF:6:BtesahfcpER+UEZTqp45IA==
CSV export of the dataset
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