Population increased most in Uusimaa in January to September 2025
Release related to topics:Population and society
release | Preliminary population statistics 2025, 3rd quarterAccording to Statistics Finland’s preliminary data by region, the population grew most in Uusimaa, Pirkanmaa and Southwest Finland in January to September 2025. In all, the population increased in seven regions and decreased in twelve regions.
Total change by region 2025Q1*-2025Q3* (* preliminary data)
| 2025Q1* | 2025Q2* | 2025Q3* | Total | |
|---|---|---|---|---|
| MK01 Uusimaa | 3,819 | 6,944 | 4,621 | 15,384 |
| MK02 Southwest Finland | 239 | 533 | 2,032 | 2,804 |
| MK04 Satakunta | -96 | -245 | -389 | -730 |
| MK05 Kanta-Häme | -172 | -34 | -212 | -418 |
| MK06 Pirkanmaa | 608 | 646 | 2,233 | 3,487 |
| MK07 Päijät-Häme | -42 | 130 | 4 | 92 |
| MK08 Kymenlaakso | -190 | -196 | -303 | -689 |
| MK09 South Karelia | -242 | -498 | 209 | -531 |
| MK10 South Savo | -320 | -117 | -444 | -881 |
| MK11 North Savo | -121 | -342 | 420 | -43 |
| MK12 North Karelia | -321 | -454 | 318 | -457 |
| MK13 Central Finland | -255 | -447 | 706 | 4 |
| MK14 South Ostrobothnia | -2 | -60 | -381 | -443 |
| MK15 Ostrobothnia | 111 | -312 | 992 | 791 |
| MK16 Central Ostrobothnia | -39 | -30 | -173 | -242 |
| MK17 North Ostrobothnia | -27 | -541 | 241 | -327 |
| MK18 Kainuu | -9 | -124 | -214 | -347 |
| MK19 Lapland | 27 | -632 | 203 | -402 |
| MK21 Åland | -27 | 178 | 95 | 246 |
Total change is the difference between the population of two consecutive statistical reference periods.
Key selections
- In January to September 2025, the population increased most in Uusimaa.
- In January to September 2025, total net migration was highest in Uusimaa, Pirkanmaa and Southwest Finland.
- In January to September 2025, net migration between regions was highest in Uusimaa.
Database tables
Pick the data you need into tables, view the data as graphs, or download the data for your use.
Updated database tables
Classifications used:
Area
Reference period cycle:
quarter
Updating frequency:
quarter
Statistics:
Updated:
Future releases
Content is being loaded
Documentation
Description of the production, used methods and quality of the statistics.
Go to documentation of the statisticsReferencing instructions
Official Statistics of Finland (OSF): Preliminary population statistics [online publication].
Reference period: 2025, 3rd quarter. Helsinki: Statistics Finland [Referenced: 23.10.2025].
Access method:
Statistical experts
Inquiries primarily
Service email
info@stat.fiJoonas Toivola
Senior Statistician
029 551 3355
Other experts
Juhana Nordberg
Senior Statistician
029 551 3051
Minna Wallenius
Senior Statistician
029 551 2749
Head of Department in charge
Harri Lehtinen
Head of Department in charge
029 551 3403