Accuracy and reliability

Overall accuracy

These statistic are based on the Central Person Register. According to that the CPR is an administrative register and therefore the municipalities themselves have an interest in keeping the quality of the register on a high level. Analysis has shown that the quality of the CPR content is rather good.

Sampling error

Not relevant for these statistics.

Non-sampling error

The latest examination shows the population is a little overestimated. See the document Undervurdering af udvandringer (only in Danish).

Quality management

Statistics Denmark follows the recommendations on organisation and management of quality given in the Code of Practice for European Statistics (CoP) and the implementation guidelines given in the Quality Assurance Framework of the European Statistical System (QAF). A Working Group on Quality and a central quality assurance function have been established to continuously carry through control of products and processes.

Quality assurance

Statistics Denmark follows the principles in the Code of Practice for European Statistics (CoP) and uses the Quality Assurance Framework of the European Statistical System (QAF) for the implementation of the principles. This involves continuous decentralized and central control of products and processes based on documentation following international standards. The central quality assurance function reports to the Working Group on Quality. Reports include suggestions for improvement that are assessed, decided and subsequently implemented.

Quality assessment

The statistics is based on the population registered in CPR (Central Person Register). It is in general taken at being very good.

A recent analysis has shown that the population is overestimated with 7.000 or 0,14 pct. because of the delay of the emigrants registration of the emigration.

Data revision - policy

Statistics Denmark revises published figures in accordance with the Revision Policy for Statistics Denmark. The common procedures and principles of the Revision Policy are for some statistics supplemented by a specific revision practice.

Data revision practice

The figures for deaths published weekly may be revised. The annual statistics are not revised, but the annual statistics are calculated at a later date in relation to the reference date than the first, second and third quarters, so that late entries can be included.