Joint Programming Initiative

More Years, Better Lives

The Potential and Challenges of Demographic Change

Integrated Database for Labour Market Research

Work and Productivity
Relevance for this Topic
Country Denmark
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Contact information

Statistics Denmark
Statistics Denmark
Sejroegade 11
DK-2100 Copenhagen
Phone: (+45)39173130
Email: dst(at)

Timeliness, transparency


Type of data


Type of Study


Data gathering method


Access to data

Conditions of access

Researchers can gain access to the database through Statistics Denmark.

Permission to use the Danish Registers has to be requested from the Danish Data Protection Agency. This will extend the application process by 1-2 months.

Anomymised microdata.


The database and documentation are only available in Danish.


Data collection ongoing since 1980. The sample covers the entire Danish population.


Covers the entire population

Covers the entire age range

Covers the entire population

The database includes approximately 100 variables. The IDA database covers the employment status, and workplaces and companies of the entire Danish population. People and companies are linked, and people can be characterised by information about their work place and vice versa.

A quality declaration is available in English at


From 1996, Statistics Denmark has classified the economic characteristics for the population into socio-economic categories and within these, further by occupational codes according to the DISCO-88 norm, which is a Danish version of the International Standard Classification of Occupations (ISCO).

Data from the IDA database can be linked to other register data available at Statistics Denmark through an encrypted identification key.

Data quality


In 2008, there is a break since the data collection method changed. There is another break in 1996 regarding job designation. This break is caused by the introduction of DISCO 88. See the documentation for more information:



Strengths: This database covers the entire Danish population over time, which makes possible to analyse changes in labour market participation. Data further includes information about workplaces, which makes it possible to link information about colleagues and analyse the composition of the workplaces. Weaknesses: There are some breaks in data over time. See the documentation for more information:

  • The information about this dataset was compiled by the author:
  • Chantal Nielsen
  • (see Partners)