Lahti: population and official figures
In depth
- Economy, jobs and prices in Lahti: In 2024 the median household in Lahti had €28,461 a year per consumption unit to spend after taxes and benefits, 2nd lowest among the nine largest cities, down 2% from €29,015 in 2019.
- Health in Lahti: THL's age-standardised morbidity index, which combines seven major disease groups, stood at 105.3 in Lahti in 2024 against 100 for the whole country; that is 5th highest among the nine largest cities.
- Education in Lahti: 8.7% of residents aged 15 or over in Lahti held a master's degree in 2024, below the national figure of 11.5%; that is the lowest among the nine largest cities, up from 7.4% in 2019.
- Poverty and living standards in Lahti: 17.6% of the dwelling population of Lahti lived below the at-risk-of-poverty line (60% of the national median income) in 2024, above the national figure of 14.2%; that is 4th highest among the nine largest cities, up from 15.5% in 2019.
- Government budget and revenue in Lahti: Net spending on elderly care, including home care and 24-hour service housing, came to €934 per resident in the Päijät-Häme wellbeing services county, which serves Lahti, in 2025 (5th highest among the nine largest cities; Finland €927).
- Government and politics in Lahti: Lahti is governed by a 59-member city council (kaupunginvaltuusto) elected in the 2025 municipal elections.
What is the population of Lahti?
Lahti had 121,832 residents at the end of 2025, up 2.6% from 118,743 ten years earlier.
Source: Statistics Finland (Tilastokeskus) · saved copyHow many Swedish speakers live in Lahti?
Swedish speakers made up 0.5% and foreign citizens 7.3% of the population of Lahti in 2025; the average resident was 45.3 years old (Finland: 44.1).
Source: Statistics Finland (Tilastokeskus) · saved copyWhat is the population of Lahti?
Lahti had 121,337 residents on 1 January 2025 according to the EU Urban Audit; 13.4% were under 15 and 25.6% were 65 or older.
Source: Eurostat · saved copyIs Lahti growing?
The population grew by 18.6% between 2012 and 2025.
Source: Eurostat · saved copyWho runs Lahti?
In Finland, cities and towns are run by wellbeing services counties: Regional councils elected (first in 2022, then 2025). Health care, social services and rescue services since January 2023; funded mainly by the state.
How local power works in Finland
Cities of a similar size in Finland
- Helsinki 674,500
- Espoo 314,024
- Tampere 255,050
- Vantaa 247,443
- Oulu 214,633
- Turku 201,863
- Jyvaskyla 147,746
- Kuopio 124,021
Up a level: all cities in Finland · Finland · government and power
Sources
- Eurostat: Eurostat dataset urb_ctour: Urban Audit: culture and tourism (cities), read 23 October 2026 · saved copy (SHA-256 235d13e6125c…)
- Statistics Finland (Tilastokeskus), from the election results of the Ministry of Justice: Numbers and percentage shares of elected councillors by party and constituency in Municipal elections, 2021 and 2025 (table 152l, PxWeb API POST query, json-stat2), read 24 October 2026 · saved copy (SHA-256 35f17f0496d3…)
- Eurostat: Eurostat dataset urb_cpop1: Urban Audit: population on 1 January by age groups and sex (cities), read 23 October 2026 · saved copy (SHA-256 0ef23d60abc9…)
- Eurostat: Eurostat dataset urb_clivcon: Urban Audit: living conditions (cities), read 23 October 2026 · saved copy (SHA-256 bc58ab68d418…)
- Finnish Institute for Health and Welfare (THL), Sotkanet: Sotkanet indicator bank, REST API 1.1: 32 indicators (one exact JSON response per indicator, e.g. indicator=5761, plus the region list) on morbidity, primary care, lifestyle, social assistance, homelessness, county election turnout and the net operating costs of wellbeing services counties, 2015-2025, bundled in one zip, read 24 October 2026 · saved copy (SHA-256 e5b01db4f1e9…)
- Statistics Finland (Tilastokeskus): Offences recorded by year of reporting, figures relative to the population in the area of the offence (table 13h4, Statistics on offences and coercive measures), 2015-2025 (PxWeb API POST query, json-stat2), read 24 October 2026 · saved copy (SHA-256 491eb3d6cd9b…)
- Eurostat: Eurostat dataset urb_cfermor: Urban Audit: fertility and mortality (cities), read 23 October 2026 · saved copy (SHA-256 bd2b301d78c2…)
- Statistics Finland (Tilastokeskus): Regional time series 1987-2025 (table 142h, Municipal key figures database): population, housing, education, employment and jobs by NUTS region, region and municipality (PxWeb API POST query, json-stat2, years 2015-2025), read 24 October 2026 · saved copy (SHA-256 18a97e220312…)
- Eurostat: Eurostat dataset urb_clma: Urban Audit: labour market (cities), read 23 October 2026 · saved copy (SHA-256 be050965f9c6…)
- Statistics Finland (Tilastokeskus): Income level, income inequality, population at risk of poverty or dependent on basic social security by region (table 14ww, Income distribution statistics), 2015-2024 (PxWeb API POST query, json-stat2), read 24 October 2026 · saved copy (SHA-256 4dd1f64e4da5…)
- Eurostat: Eurostat dataset urb_ctran: Urban Audit: transport (cities), read 23 October 2026 · saved copy (SHA-256 c4e74aa07496…)
- Eurostat: Eurostat dataset urb_ceduc: Urban Audit: education (cities), read 23 October 2026 · saved copy (SHA-256 af187c7040a4…)
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