Population Information System update to be reflected in the population number of Finland tomorrow
The Population Information System will undergo an update on 12 November 2024 that will affect the data on Finland’s population number. The population number is displayed in places such as the website of the Digital and Population Data Services Agency and a light-up billboard on the roof of the Helsinki service location starting 13 November 2024. The annual update to the population number involves removing people whose place of residence has been unknown for two years. The change applies to about 3900 persons.

The Population Information System contains people who still have a municipality of residence in Finland but whose place of residence has been unknown to the authorities since 1 January 2022. In practice, these are people who have moved away from Finland but have not thought to submit an emigration notification. With the update, they will no longer have a municipality of residence in Finland and are removed from the Finnish population.
In Finland, the Municipality of Residence Act requires that every person notifies their up-to-date address information to the Digital and Population Data Services Agency whenever they change their place of residence. The Digital and Population Data Services Agency records the data in the Population Information System. The address must correspond to the person's actual place of residence.
Up-to-date Population Information System facilitates everyday life and decision-making
The Population Information System contains information on all Finnish citizens and foreign citizens residing in Finland. The system is used to collect information on births, deaths, addresses, marriages and divorces as well as received citizenships. Hospitals usually submit information to the Population Information System on children being born within 24 hours of their birth.
“The Finnish Population Information System is rare on a global scale. Using it widely in various functions of society saves money and trouble and makes everyday life easier for citizens in many ways. For example, a single notification of move sends your new address automatically to all authorities through the Population Information System”, says Chief Specialist Tytti Ronkainen from the Digital and Population Data Services Agency.
The Population Information System is an important tool for public authorities. Thanks to the Population Information System, much of what happens in our society is done from the citizen's point of view, rather than automatically. For example, families of children entering compulsory school age receive a notification of the start of compulsory education and a proposal for a school place. The system also creates a register of those entitled to vote, so people do not have to register to vote.
Light-up billboard shows the number of persons recorded in the Population Information System
The up-to-date number of people recorded in the Population Information System is displayed on the Digital and Population Data Services Agency’s website dvv.fi and a light-up billboard on the roof of the Helsinki service location. The figure is based on the register data from the previous day, and it updates every morning at about 5 a.m.
However, the number of persons recorded in the Population Information System is not the same as the official population of Finland. The official population number is produced by Statistics Finland based on register data from the Digital and Population Data Services Agency and other data sources and analysis. Statistics Finland is also responsible for the population forecast.
“People are interested in the number on the billboard and at dvv.fi. Round numbers are of especial interest; many people contacted the agency when the number hit 5,555,555, for example. This update to the municipality of residence data concerns 3900 people, and it will be reflected as a more significant decrease of the number compared to normal daily variation”, says Ronkainen.
A similar update to the Population Information System was last made on 10 May 2023. The procedure is based on section 9a, subsection 2 of the Municipality of Residence Act (201/1994).
PLEASE NOTE when dealing with the authorities! If you are informed that your municipality of residence has been removed even though you still live in Finland, you can correct this by submitting a change of address notification at muuttoilmoitus.fi or by visiting your nearest Digital and Population Data Services Agency service point.
Keywords
Contacts
Tytti RonkainenChief Specialist
Tel:+358 295 535 294tytti.ronkainen@dvv.fiImages

What is the Population Information System?
- The Population Information System is the most commonly used basic register in Finland with an important role in organising the functions of society.
- The Population Information System contains the personal data of Finnish citizens and foreign citizens residing in Finland on a permanent or temporary basis.
- The system also contains information about buildings, construction projects, apartment blocks and properties.
- The information stored in the Population Information System is used throughout Finnish society’s information services and management, including public administration, elections, taxation, judicial administration, research and statistics.
- The Population Information System was established in 1969. It is maintained by the Digital and Population Data Services Agency. The activities are regulated by law.
- Read more about the Population Information System
Digital and Population Data Services Agency (The Finnish Digital Agency)
Digital and Population Data Services Agency (The Finnish Digital Agency) promotes the digitalisation of society, secures the availability of information and provides services related to customers’ life events.
The Digital and Population Data Services Agency (The Finnish Digital Agency) sees to the maintenance of the Population Information System, which is the foundation for our society, and to the digitalisation of society. The agency’s tasks include civil marriages, name and address changes, guardianship and administrative guardianship, maintenance of the Population Information System, development of solutions for electronic identification, as well as the development and maintenance of centralised support services for e-services. E-service support services include the Suomi.fi Web Service, electronic messages from authorities (Suomi.fi Messages) as well as authorisation for acting on behalf of another party (Suomi.fi e-Authorization).
Alternative languages
Subscribe to releases from Digi- ja väestötietovirasto
Subscribe to all the latest releases from Digi- ja väestötietovirasto by registering your e-mail address below. You can unsubscribe at any time.
Latest releases from Digi- ja väestötietovirasto
Anmärkning från dataombudsmannens byrå till Myndigheten för digitalisering och befolkningsdata17.10.2025 14:11:22 EEST | Pressmeddelande
Myndigheten för digitalisering och befolkningsdata (MDB) mottog en anmärkning av dataombudsmannens byrå den 16 oktober 2025 om ett dokument kopplat till genomförandet av Suomi.fi-meddelanden.
Tietosuojavaltuutetun toimistolta huomautus Digi- ja väestötietovirastolle16.10.2025 15:10:49 EEST | Tiedote
Digi- ja väestötietovirasto (DVV) sai Tietosuojavaltuutetun toimistolta 16.10.2025 huomautuksen, joka koskee Suomi.fi-viestien toteutukseen liittyvää asiakirjaa.
Från och med slutet av 2025 kan en person endast vara stadigvarande bosatt i ett land – för närvarande har 12 000 personer adress både i Finland och Estland13.10.2025 08:10:00 EEST | Pressmeddelande
Myndigheten för digitalisering och befolkningsdata har tillsammans med inrikesministeriet i Estland utrett att 12 000 personer har registrerat en stadigvarande adress i både Finland och Estland. Från och med december 2025 kommer detta inte längre att vara möjligt, då man automatiskt börjar utbyta information om personer som flyttar mellan länderna. I fortsättningen kan den stadigvarande adressen endast registreras i endast ett land.
Loppuvuodesta 2025 vakinainen osoite voi olla vain yhdessä maassa – 12 000 henkilöllä osoite sekä Suomessa että Virossa13.10.2025 08:10:00 EEST | Tiedote
Digi- ja väestötietovirasto on selvittänyt yhdessä Viron sisäministeriön kanssa, että 12 000 henkilöllä on vakinainen osoite rekisteröitynä sekä Suomessa että Virossa. Joulukuusta 2025 lähtien tämä ei ole enää mahdollista, kun tietoja maiden välillä muuttavista henkilöistä aletaan vaihtaa automaattisesti. Jatkossa vakinainen osoite voi olla rekisteröitynä vain yhteen maahan.
By the end of 2025 people may only have a permanent address in one country - 12,000 persons currently have an address in both Finland and Estonia13.10.2025 08:10:00 EEST | Press release
Together with the Estonian Ministry of the Interior, the Digital and Population Data Services Agency has determined that 12,000 persons have a permanent address registered in both Finland and Estonia. As of December 2025, this will no longer be possible as information on persons moving between the two countries will be exchanged automatically from that time forward. In the future, a permanent address can only be registered in one country.
In our pressroom you can read all our latest releases, find our press contacts, images, documents and other relevant information about us.
Visit our pressroom