The Danish Data Archive (DDA) has a large collection of survey data and data from other areas, such as Social Science, Health Science and History. The majority of the data sets are fully documented on both study and question/item level. The data materials cover a large range of topics.
DDA does not yet have an English version of the online search catalogue. However, if you are interested in Danish data materials you are most welcome to contact us and we will help you find the data materials most relevant for you.