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Kymenlaakso: population, economy and official figures

Kymenlaakso is a region (maakunta) in Etelä-Suomi, Finland. Kymenlaakso had 157,442 residents on 1 January 2025, 13.7% of Etelä-Suomi and 2.79% of Finland; 14th largest of 19 regions in Finland.

Population
157,442
2025
People per km²
40.3
2024
Median age
51.2
2025
Aged 65+
30.6%
2025
Area (km²)
4,251
2026

In depth

Is the population of Kymenlaakso growing?

That is 8.9% fewer people than in 2015 (172,908).

Source: Eurostat · saved copy

How densely populated is Kymenlaakso?

There were 40.3 people per square kilometre in 2024.

Source: Eurostat · saved copy

What is the median age in Kymenlaakso?

The median age was 51.2 years in 2025, against 43.6 for Finland; 2nd highest of 19 regions in Finland.

Source: Eurostat · saved copy

How old is the population of Kymenlaakso?

30.6% of residents were 65 or older and 11.9% were under 15 in 2025.

Source: Eurostat · saved copy

How many births and deaths are there in Kymenlaakso?

In 2024 there were 770 live births and 2,262 deaths, a natural decrease of 1,492.

Source: Eurostat · saved copy

How big is Kymenlaakso?

It covers 4,251 km².

Source: Eurostat · saved copy

What is the population of Kymenlaakso Finland?

Kymenlaakso had 156,198 residents at the end of 2025, down 9.1% from 171,778 ten years earlier.

Source: Statistics Finland (Tilastokeskus) · saved copy

How many Swedish speakers live in Kymenlaakso Finland?

Swedish speakers made up 0.7% and foreign citizens 5.2% of the population of Kymenlaakso in 2025; the average resident was 48.9 years old (Finland: 44.1).

Source: Statistics Finland (Tilastokeskus) · saved copy

Are people moving to Kymenlaakso?

The net migration rate was +1.7 per 1,000 residents in 2024, while births minus deaths gave a natural change of -9.4 per 1,000.

Source: Eurostat · saved copy

Figures come from Finland's own official statistics and from Eurostat's regional statistics for NUTS 3 areas. Comparisons with the EU average use purchasing power standards (PPS), which adjust for price differences.

Other regions in Etelä-Suomi

Up a level: Etelä-Suomi · all regions of Finland · how local power works in Finland

Sources

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