Survey data
Survey data
Access questionnaire-based research data from around 1950 and up to the present day.
Surveys
The Danish National Archives holds the country’s biggest collection of surveys (questionnaire-based research data).
Some are freely available, while others require an application to access.
Featured downloadable surveys
In the following are some of the most frequently used surveys (without sensitive personal data) that you can access. You can find more surveys via the Danish National Archives’ database ‘Search for digitally created data’.
Accident Registry 1998-2010 (Danish)
The smoking survey 1970-1993 (Danish)
Post-fall data for elderly patients 2005-2008 (Danish)
Children, food and meals 1999-2004 (Danish)
The Danish values survey, 1981-2017 (Danish)
MULD-undersøgelsen (A survey charting the lifestyles of young people), 2000-2006 (Danish)
Tryghedsmålingen 2004-2013 (Studies measuring how safe people feel) (Danish)
Access rules
Access is restricted to surveys that include personal data (e.g. national identification numbers). You can apply for access to them through the National Archives’ database ‘Search for digitally created data’.
Go to ‘Search for digitally created data’
Once the Danish National Archives has received your application, we will proceed to obtain permission from the Data Protection Agency to provide that data.
The total case processing time is 1-2 months.
Provision of survey data
Once you have received permission to use surveys containing personal data, you can choose to receive the data in one of two ways:
- Via Statistics Denmark’s or the Danish Health Data Authority’s researcher service unit
- On an encrypted USB drive
Guide to questionnaire surveys
Use the guide to assess the strengths and weaknesses of questionnaire surveys.