Documentation of statistics Citizenships granted
Basic data of the statistics
Unit of measure
The classification into regions and the statistical grouping of municipalities have been used since 1997. Prior to this, provinces were used instead of regions and forms of local government instead of the statistical grouping of municipalities. As of 1999, the statistics have used the regional division which entered into force at the beginning of the calendar year following the statistical year.
Frequency of dissemination
Accuracy, reliability and timeliness
The Population Information System maintained by the Digital and Population Data Services Agency and the State Department of Åland can be considered very comprehensive in terms of individuals. An individual must be registered in the Population Information System to receive a personal identity code. It is practically impossible to live in Finland without a personal identity code. Legal employment, the opening of a bank account, taking care of affairs with the authorities, etc. all require a personal identity code.
Following the discontinuation of census registration as of 1989, the Population Information System has been maintained solely with notifications of population changes. The Digital and Population Data Services Agency has commissioned sample surveys on the accuracy of addresses from Statistics Finland. Approximately 11,000 individuals are contacted to enquire whether their address in the Population Information System is accurate. In the latest survey, in 2012, the address of 98.9 per cent of the respondents was correct.
Comparability - geographical
Every country has its own citizenship laws, and the grounds for granting citizenship vary from country to country. Given that the laws differ, direct comparisons between the figures at an international level are impossible.
Comparability - over time
Coherence - cross domain
The Finnish Immigration Service’s figures on persons who have been granted citizenship are compiled from persons residing permanently in different countries of the world, whereas Statistics Finland compiles the statistics in question from persons residing permanently in Finland.
Coherence - internal
Source data and data collections
The population includes all Finnish and foreign nationals residing permanently in Finland, even if they were temporarily abroad.
Statistics Finland has waited for data on a statistical reference year’s vital events until the end of January the next year. The reported data on vital events during the statistical reference year and previous years are subsequently included in the material of the next statistical reference year.
As of statistical reference year 2018, supplementations and corrections to the background information included in vital events data have been accepted until the end of February the next year. However, the total number of the events established at the end of January does not change. Rather, the supplementations and corrections made to the data aim to improve their quality.
Frequency of data collection
Principles and outlines
Contact organisation unit
Legal acts and other agreements
The compilation of statistics is guided by the Statistics Act. The Statistics Act contains provisions on collection of data, processing of data and the obligation to provide data. Besides the Statistics Act, the Data Protection Act and the Act on the Openness of Government Activities are applied to processing of data when producing statistics.
Statistics Finland compiles statistics in line with the EU’s regulations applicable to statistics, which steer the statistical agencies of all EU Member States.
Further information: Statistical legislation
Confidentiality - policy
The data protection of data collected for statistical purposes is guaranteed in accordance with the requirements of the Statistics Act (280/2004), the Act on the Openness of Government Activities (621/1999), the EU's General Data Protection Regulation (EU) 2016/679 and the Data Protection Act (1050/2018). The data materials are protected at all stages of processing with the necessary physical and technical solutions. Statistics Finland has compiled detailed directions and instructions for confidential processing of the data. Employees have access only to the data essential for their duties. The premises where unit-level data are processed are not accessible to outsiders. Members of the personnel have signed a pledge of secrecy upon entering the service. Violation of data protection is punishable.
Further information: Data protection | Statistics Finland (stat.fi)
Confidentiality - data treatment
In accordance with data protection practices, regional data dissemination complies with aggregation rules if a table includes variables defined as sensitive. In such cases, figures remaining below the limit value are not reported or divided into the categories of the sensitive variable.
According to the Statistics Act, data disclosed for research purposes must be rendered into a form from which the statistical units cannot be directly or indirectly identified. To prevent indirect identification, variables key to identification must be modified with statistical data protection methods suitable for the situation.
The most important data protection method is the disclosure of a sample rather than the total data.
In addition to samples, the data limiting methods used by Statistics Finland include aggregating the classification of variables, removing variables and hiding the variable values of a single unit.
Statistics Finland publishes new statistical data at 8 am on weekdays in its web service. The release times of statistics are given in advance in the release calendar available in the web service. The data are public after they have been updated in the web service.
Further information: Publication principles for statistics at Statistics Finland
Accessibility and clarity
Statistical data are published as database tables in the StatFin database. The database is the primary publishing site of data, and new data are updated first there. When releasing statistical data, existing database tables can be updated with new data or completely new database tables can be published.
In addition to statistical data published in the StatFin database, a release on the key data is usually published in the web service. If the release contains data concerning several reference periods (e.g. monthly and annual data), a review bringing together these data is published in the web service. Database tables updated at the time of publication are listed both in the release and in the review. In some cases, statistical data can also be published as mere database releases in the StatFin database. No release or review is published in connection with these database releases.
Releases and database tables are published in three languages, in Finnish, Swedish and English. The language versions of releases may have more limited content than in Finnish.
Information about changes in the publication schedules of releases and database tables and about corrections are given as change releases in the web service.
Data revision - policy
Revisions – i.e. improvements in the accuracy of statistical data already published – are a normal feature of statistical production and result in improved quality of statistics. The principle is that statistical data are based on the best available data and information concerning the statistical phenomenon. On the other hand, the revisions are communicated as transparently as possible in advance. Advance communication ensures that the users can prepare for the data revisions.
The reason why data in statistical releases become revised is often caused by the data becoming supplemented. Then the new, revised statistical figure is based on a wider information basis and describes the phenomenon more accurately than before.
Revisions of statistical data may also be caused by the calculation method used, such as annual benchmarking or updating of weight structures. Changes of base years and used classifications may also cause revisions to data.
The Official Statistics of Finland (OSF) are a comprehensive collection of statistics describing the development and state of society. They comprise nearly 300 sets of statistics on 26 different topics. The producers of Official Statistics of Finland have approved a common quality assurance in which they commit to common quality criteria and quality assurance measures. The quality criteria of the Official Statistics of Finland are compatible with the European Statistics Code of Practice. The good practices followed in the statistics are presented in Statistics Finland’s Quality Guidelines for Official Statistics handbook.
Quality management requires comprehensive guidance of activities. The quality management framework of the field of statistics is the European Statistics Code of Practice (CoP). The frameworks complement each other. The quality criteria of Official Statistics of Finland are also compatible with the European Statistics Code of Practice.
Further information: Quality management | Statistics Finland (stat.fi)
Data are released to all users at the same time. Statistical data may only be handled at Statistics Finland and information on them may be given before release only by persons involved in the production of the statistics concerned or who need the data of the statistics concerned in their own work before the data are published.
Further information: Publication principles for statistics
Are you looking for previously published documentation?
The documentation released before 5.4.2022 can be found on the archive pages of the statistics.Go to the archive page