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The Fertility Database


Primary variables

Child's CPR No.

Child's position in siblings

Father's CPR No.

Live/dead birth

Mother's CPR No.

Multiple birth



The Fertility Database (FTDB) provide an annual statement of the number of children born and the number of live and dead births, and the average weights and lengths of newly born infants. The statistics are distributed by gender and birth type, including multiple births such as twins.

FTDB covers three different populations: men, women and children. It is also possible to use family /household data to establish cohabiting couples and families with and without children.

Sources of data are the CPR register, the Medical Birth Registry (MFR) and adoption data from the Appeals Board.

More details

Statistics, Scientific research

Collection Period

Collection Period
The Fertility Database lists those individuals who have at least one known parent in the CPR Register
Database Categories

Application requirements

Scientific Services at Statistics Denmark

Statistics Denmark comprises register collections, including data from 1970 till today and therefore, present a very important research potential with almost endless opportunities. Research Services at Statistics Denmark help and advices about access to data, to exploit the potential of the data in compliance with the Danish legislations.

To obtain access to data from Statistics Denmark a list of demands must be obtained. The research project must be associated to a Danish public research unit. Furthermore, The Danish Data Protection Agency (Danish: Datatilsynet) must approve the research project if data are linked to data from other authorities or registers. The applicant is responsible for payment of all the cost associated to the process.

If data from Statistics Denmark are linked to data from the Danish Health Data Authority, the applicant should contact the Danish Health Data Authority and inform about contact person at Statics Denmark as well as the case number, project description, extension description and approval from the Danish Health Data Authority and/or The National Committee on Health Research Ethics.

Application process

  • Kontakt en medarbejder i Forskerservice (FSE) hos Danmarks Statistik
  • Vedhæft kort projektbeskrivelse
  • Forskningsprojektet tildeles et sagsnummer
  • Henvendelse til Sundhedsdatastyrelsen, ved ønske om samkøring af data
  • Når Sundhedsdatastyrelsen har accepteret anmodningen, sendes data til Danmarks Statistik



As a public authority and data processor Statistics Denmark are subject to Danish laws for treatment of personal data, that should secure that the Danish health data are treated right. These legislations include The Act on Processing of Personal Data (Danish: Persondataloven) and The Danish Act of Health (Danish: Sundhedloven).

Contact information

Data owner
Statistics Denmark
Contact data owner
Sejrøgade 11
2100 København Ø
Website - data owner
Data administrator
Statistics Denmark
Contact data administrator
Amy Frølander
T: 39 17 36 26
Website - data administrator