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Published: 21 October 2021

Birth rate rose slightly from last year

According to Statistics Finland's preliminary data, Finland's population at the end of September was 5,546,497. During January–September Finland's population increased by 12,704 persons. The reason for the population increase was migration gain from abroad: the number of immigrants was 15,584 higher than that of emigrants. The number of births was 3,810 lower than that of deaths.

Population increase by month 2018–2021*

Population increase by month 2018–2021*

According to the preliminary statistics for January–September a total of 37,721 children were born, which is 2,458 more than in the corresponding period 2020. The number of deaths was 41,531, which is 386 higher than one year earlier.

According to preliminary data, the birth rate rose slightly from the previous year. Over the previous twelve months (October 2020 to September 2021), the total fertility rate was 1.44, while the figure for the calendar year 2020 was 1.37. The total fertility rate is currently the fourth lowest in the measuring histrory. The total fertility rate indicates how many children a woman would give birth to during her lifetime if the birth rate remained the same as in the year on which the calculation is based.

Altogether 24,319 persons immigrated to Finland from abroad and 8,735 persons emigrated from Finland during January–September. The number of immigrants was 370 higher and the number of emigrants 2,856 lower than in the previous year. In all, 6,559 of the immigrants and 5,782 of the emigrants were Finnish citizens.

According to the preliminary data, the number of inter-municipal migrations totalled 234,644 by the end of September. Compared with the previous year, the increase was 6,107 migrations according to the municipal division of 2021.

Same-sex marriages took legal effect in March 2017. During January–September 2021, same-sex partners entered into 295 marriages of which 213 were between two women and 82 between two men.

According to preliminary data by region, the population grew in Uusimaa, Pirkanmaa, Southwest Finland, North Ostrobothnia, North Savo, Ostrobothnia, Åland and Central Finland between January–September of 2021.

The population grew most in absolute numbers in Uusimaa, where it grew by 8,860 persons. The next largest increase in population was seen in Pirkanmaa, 3,748 persons. Relative to the population, population growth was highest in Pirkanmaa, 7.1 per mil, in Åland, 6.1 per mil and in Uusimaa, 5.2 per mil. Population loss was highest in absolute numbers in the region of Kymenlaakso that lost 957 persons of its population. The population of South Savo decreased by 797 persons, which was the second biggest population loss. Relative to the population, the biggest population loss was found in South Savo, 6.0 per mil.

Most migration gain from intramunicipal and international migration was collected by Uusimaa, 4,324 persons and Pirkanmaa, 3,746 persons. Most migration gain in relative terms based on total net migration was attained by Pirkanmaa, 7.1 per mil, and Southwest Finland, 5.1 per mil.

In absolute numbers, migration loss from total net migration was biggest in the region of Kymenlaakso, 119 persons. In the region of Central Ostrobothnia the loss was 42 persons. In relative terms, the biggest migration loss from total net migration was found in Kymenlaakso, 0.7 per mil of the population.

During January–September 2021, migration between regions numbered 111,618. The positive gain from migration between regions was seen in Pirkanmaa, Southwest Finland, North Savo, North Karelia, Central Finland, Kanta-Häme, North Ostrobothnia and Päijät-Häme. In absolute numbers, the highest gain from migration between regions was received by Pirkanmaa, 2,709 persons. The relative migration gain was highest in Pirkanmaa, 5.2 per mil, and North Savo, 2.7 per mil of the population.

Migration loss from migration between regions was biggest in absolute numbers in the region of Uusimaa, 2,920 persons. Migration loss from migration between regions was biggest in relative terms in the region of Kainuu, 2.9 per mil of the population.

Source: Preliminary population statistics, Statistics Finland

Inquiries: Joonas Toivola 029 551 3355, Juhana Nordberg 029 551 3051, Auli Hämäläinen 029 551 3615,

Head of Department in charge: Hannele Orjala

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Updated 21.10.2021

Referencing instructions:

Official Statistics of Finland (OSF): Preliminary population statistics [e-publication].
ISSN=2243-3627. September 2021. Helsinki: Statistics Finland [referred: 9.12.2023].
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