The Danish Data Archive (DDA) is a national data bank for researchers and students in Denmark and abroad.
DDA is dedicated to the acquisition, preservation and dissemination of machine-readable data created by researchers from the Social Sciences and the Health Sciences communities. DDA, furthermore, has quantitative historical data materials, especially transcribed historical censuses.
DDA is an independent unit within the group of Danish National Archives.
If you are interested in Health data or Social Science data, please use these sites:
You may search for data materials in our data bank: