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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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Jun 4, 2026
Lefevere, Jonas; Walgrave, Stefaan; Pilet, Jean-Benoit, 2026, "De Stemming / L'Enquête Nationale 2026", https://doi.org/10.34934/DVN/DEES19, Social Sciences and Digital Humanities Archive – SODHA, V1, UNF:6:/73Q6koIFwmnCpAw/TmoTQ== [fileUNF]
English De Stemming / L’Enquête Nationale 2026 (DSEN26) is an online survey conducted among a sample of N=5,354 adult (18 years and older) residents of Belgium: 1,083 residents of the Brussels Capital Region, 2,145 of the Flemish Region, and 2,126 of the Walloon Region. The surve...
Stata Syntax - 242.8 KB - MD5: 0d28d5a643f1f0811461b187db5d1c92
Stata analysis file for report DSEN26
Adobe PDF - 605.3 KB - MD5: ac2c8c94c9a3f3db36099d68ed6ff67b
Codebook and methodological note.
Tabular Data - 20.4 MB - 201 Variables, 5354 Observations - UNF:6:MQHwdugygT18XhL38wXajQ==
CSV export of the dataset
SPSS Binary - 22.9 MB - MD5: 9df1f6345a66c0de529e141fcf0d3c7e
SPSS export of the dataset (English labels)
SPSS Binary - 22.9 MB - MD5: c963b8576b461db2770425808bd7d990
SPSS export of the dataset (French labels)
SPSS Binary - 22.9 MB - MD5: b6510acd2a5f6103efa9dc5cfacde2f5
SPSS export of the dataset (Dutch labels)
Tabular Data - 3.3 MB - 201 Variables, 5354 Observations - UNF:6:N7iPXTb2BVHKetl/8d12GA==
STATA dataset, with labels in three languages (English, Dutch, French). Language of the labels can be set using the 'label language' command, e.g. "label language fr" / "label language nl" / "label language en"
MS Excel Spreadsheet - 4.7 MB - MD5: 417a2d7f5137d78971688b5bcf9bb72b
Excel export of the dataset
Jun 4, 2026 - The Social Study
The Social Study (TSS), 2026, "[Embargo] PHOS - Political Hostility Scale (tssq26_7)", https://doi.org/10.34934/DVN/N1ER1Z, Social Sciences and Digital Humanities Archive – SODHA, V1, UNF:6:WwKUNVm9kaTKNp9gU53lbA== [fileUNF]
The Social Study administered Deliberative assemblies (tssq26_2) questionnaire on behalf of Jeremy Dodeigne (UNamur) between 31-03-2026 and 24-05-2026. The collected data are stored in this Dataverse with strictly restricted access. Only the designated commissioners and authorize...
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