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Economy, jobs and prices in Kocaeli, Sakarya, Düzce, Bolu, Yalova, Türkiye: official figures

GDP per person was 35,000 purchasing power standards (PPS) in 2024, 88% of the EU average; 3rd highest of 26 regions in Türkiye. PPS adjust for price differences between countries.

GDP per person (PPS)
35,000
2024
GDP per person (euros)
17,900
2024
GDP (million euros)
77,869
2024
Unemployment rate
8.5%
2025
Youth unemployment rate
15.6%
2025
Employment rate (20-64)
61.2%
2025
R&D spending (% of GDP)
2.21%
2024
Mean equivalised disposable income (TL)
332,409
2025

How big is the economy of Kocaeli, Sakarya, Düzce, Bolu, Yalova?

The regional economy produced €77.9 billion of output (GDP at market prices) in 2024, 6.2% of Türkiye's GDP.

Source: Eurostat · saved copy

What is the unemployment rate in Kocaeli, Sakarya, Düzce, Bolu, Yalova?

The unemployment rate (age 15 to 74) was 8.5% in 2025, against 8.4% for Türkiye and 6.0% across the EU; 11th highest of 26 regions in Türkiye.

Source: Eurostat · saved copy

What is youth unemployment in Kocaeli, Sakarya, Düzce, Bolu, Yalova?

Youth unemployment (age 15 to 24) was 15.6% in 2025, against 15.4% for Türkiye; 14th highest of 26 regions in Türkiye.

Source: Eurostat · saved copy

What share of adults in Kocaeli, Sakarya, Düzce, Bolu, Yalova are in work?

The employment rate (age 20 to 64) was 61.2% in 2025, against 58.1% for Türkiye and 76.1% across the EU; 6th highest of 26 regions in Türkiye.

Source: Eurostat · saved copy

How much does Kocaeli, Sakarya, Düzce, Bolu, Yalova spend on research and development?

Spending on research and development came to 2.21% of GDP in 2024 (1.46% nationally).

Source: Eurostat · saved copy

What is the average income in the Kocaeli, Sakarya, Düzce, Bolu, Yalova region?

In TÜİK's 2025 Income and Living Conditions Survey, mean annual equivalised household disposable income in the Kocaeli, Sakarya, Düzce, Bolu, Yalova region (TR42) was 332,409 lira per person (incomes earned in 2024), about the same as the national figure of 332,882 lira and 9th highest of 26 NUTS2 regions.

Source: Turkish Statistical Institute (TÜİK) · saved copy

What is the median income in the Kocaeli, Sakarya, Düzce, Bolu, Yalova region?

The median equivalised income in the Kocaeli, Sakarya, Düzce, Bolu, Yalova region was 268,571 lira per person in the 2025 survey, 11% above the national figure (241,151 lira); half of residents lived on less than this. That was 6th highest of 26 regions.

Source: Turkish Statistical Institute (TÜİK) · saved copy

How expensive is the Kocaeli, Sakarya, Düzce, Bolu, Yalova region compared with the rest of Turkey?

Adjusted for regional prices (TÜİK price level index 102.6 in 2024, Türkiye = 100), the median income in the Kocaeli, Sakarya, Düzce, Bolu, Yalova region is worth about 261,753 lira at national prices, 5th highest of 26 regions on purchasing power.

Source: Turkish Statistical Institute (TÜİK) · saved copy

Is the Kocaeli, Sakarya, Düzce, Bolu, Yalova region expensive to live in?

TÜİK's 2024 regional purchasing power parities put the overall price level in the Kocaeli, Sakarya, Düzce, Bolu, Yalova region (TR42) at 102.6 (Türkiye = 100), making it 8th most expensive of 26 regions for household spending.

Source: Turkish Statistical Institute (TÜİK) · saved copy

How many women work in the Kocaeli, Sakarya, Düzce, Bolu, Yalova region?

In 2025, 39.6% of women aged 15 and over in the Kocaeli, Sakarya, Düzce, Bolu, Yalova region (TR42) were in the labour force, compared with 74.7% of men and a national female rate of 36.2%; this ranked 6th highest of 26 regions.

Source: Turkish Statistical Institute (TÜİK) · saved copy

How many people in Kocaeli, Sakarya, Düzce, Bolu, Yalova are long-term unemployed?

In 2025, 1.4% of the labour force in Kocaeli, Sakarya, Düzce, Bolu, Yalova had been unemployed for 12 months or more, against 1.5% for Türkiye as a whole and 1.9% across the EU; 11th lowest of 26 statistical regions in Türkiye. In 2015 it was 2.1%.

Source: Eurostat · saved copy

What is the unemployment rate for women in Kocaeli, Sakarya, Düzce, Bolu, Yalova?

Unemployment among women was 11.7% in 2025, against 11.4% for Türkiye as a whole and 6.2% across the EU; 11th highest of 26 statistical regions in Türkiye. In 2015 it was 13.7%.

Source: Eurostat · saved copy

How many women in Kocaeli, Sakarya, Düzce, Bolu, Yalova are in work?

41.7% of women aged 20 to 64 were in work in 2025, against 39.1% for Türkiye as a whole and 71.3% across the EU; 10th highest of 26 statistical regions in Türkiye. In 2015 it was 35.3%.

Source: Eurostat · saved copy

How many cars are there in Kocaeli, Sakarya, Düzce, Bolu, Yalova?

Residents of Kocaeli, Sakarya, Düzce, Bolu, Yalova owned 164 cars per 1,000 people in 2024, compared with 189 nationally; 9th lowest of 26 statistical regions in Türkiye. In 2014 it was 115.

Source: Eurostat · saved copy

How many tourists visit Kocaeli, Sakarya, Düzce, Bolu, Yalova?

Hotels, campsites and other tourist accommodation recorded 5.2 million nights in 2025, 16% of them by visitors from abroad.

Source: Eurostat · saved copy

What is the main industry in Kocaeli, Sakarya, Düzce, Bolu, Yalova?

The largest part of the economy of Kocaeli, Sakarya, Düzce, Bolu, Yalova in 2024 was industry (manufacturing, mining and energy), at 41.5% of gross value added, followed by trade, transport, hospitality and communications (28.7%).

Source: Eurostat · saved copy

How industrial is Kocaeli, Sakarya, Düzce, Bolu, Yalova?

Industry (manufacturing, mining and energy) made up 41.5% of output in 2024, against 22.2% for Türkiye.

Source: Eurostat · saved copy

How fast is the economy of Kocaeli, Sakarya, Düzce, Bolu, Yalova growing?

Gross value added rose from €40.6 billion in 2015 to €69.2 billion in 2024 in current prices, an increase of 70% before inflation.

Source: Eurostat · saved copy

More figures

How Kocaeli, Sakarya, Düzce, Bolu, Yalova compares with other statistical regions

Mean annual equivalised household disposable income per person (lira) (2025)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 9 of 26, highest first. TÜİK Income and Living Conditions Survey 2025; incomes refer to 2024

RankRegionMean annual equivalised household disposable income per person (lira)
6Bursa, Eskişehir, Bilecik365,324 TL
7Balıkesir, Çanakkale350,333 TL
8Aydın, Denizli, Muğla347,745 TL
9Kocaeli, Sakarya, Düzce, Bolu, Yalova332,409 TL
10Samsun, Tokat, Çorum, Amasya318,230 TL
11Zonguldak, Karabük, Bartın315,335 TL
12Kırıkkale, Aksaray, Niğde, Nevşehir, Kırşehir311,358 TL
Source: Turkish Statistical Institute (TÜİK) · saved copy

Median annual equivalised household disposable income per person (lira) (2025)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 6 of 26, highest first. Incomes refer to 2024

RankRegionMedian annual equivalised household disposable income per person (lira)
3Tekirdağ, Edirne, Kırklareli302,611 TL
4Bursa, Eskişehir, Bilecik300,159 TL
5İzmir279,583 TL
6Kocaeli, Sakarya, Düzce, Bolu, Yalova268,571 TL
7Balıkesir, Çanakkale262,333 TL
8Antalya, Isparta, Burdur259,714 TL
9Aydın, Denizli, Muğla256,840 TL
Source: Turkish Statistical Institute (TÜİK) · saved copy

Median equivalised income adjusted for regional price levels (lira at national prices) (2025)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 5 of 26, highest first. Median income (2025 survey) divided by the 2024 regional price level index; computed

RankRegionMedian equivalised income adjusted for regional price levels (lira at national prices)
2Bursa, Eskişehir, Bilecik292,752 TL
3Tekirdağ, Edirne, Kırklareli290,503 TL
4İstanbul279,184 TL
5Kocaeli, Sakarya, Düzce, Bolu, Yalova261,753 TL
6İzmir253,991 TL
7Zonguldak, Karabük, Bartın252,447 TL
8Kastamonu, Çankırı, Sinop249,372 TL
Source: Turkish Statistical Institute (TÜİK) · saved copy

Regional price level index for household consumption (Türkiye = 100) (2024)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 8 of 26, highest first.

RankRegionRegional price level index for household consumption (Türkiye = 100)
5Antalya, Isparta, Burdur104.4
6Ankara104.4
7Tekirdağ, Edirne, Kırklareli104.2
8Kocaeli, Sakarya, Düzce, Bolu, Yalova102.6
9Bursa, Eskişehir, Bilecik102.5
10Adana, Mersin102.3
11Trabzon, Ordu, Giresun, Rize, Artvin, Gümüşhane101.8
Source: Turkish Statistical Institute (TÜİK) · saved copy

Labour force participation rate of women aged 15+ (%) (2025)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 6 of 26, highest first.

RankRegionLabour force participation rate of women aged 15+ (%)
3Trabzon, Ordu, Giresun, Rize, Artvin, Gümüşhane40.7%
4İzmir40.3%
5İstanbul39.7%
6Kocaeli, Sakarya, Düzce, Bolu, Yalova39.6%
7Aydın, Denizli, Muğla39.3%
8Balıkesir, Çanakkale39.0%
9Ankara38.0%
Source: Turkish Statistical Institute (TÜİK) · saved copy

Employment rate of women aged 15+ (%) (2025)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 7 of 26, highest first.

RankRegionEmployment rate of women aged 15+ (%)
4Balıkesir, Çanakkale35.7%
5Aydın, Denizli, Muğla35.7%
6İstanbul35.2%
7Kocaeli, Sakarya, Düzce, Bolu, Yalova35.1%
8İzmir34.4%
9Samsun, Tokat, Çorum, Amasya34.0%
10Bursa, Eskişehir, Bilecik33.6%
Source: Turkish Statistical Institute (TÜİK) · saved copy

Long-term unemployment (% of labour force) (2025)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 16 of 26, highest first.

RankRegionLong-term unemployment (% of labour force)
13Erzurum, Erzincan, Bayburt1.6%
14Samsun, Tokat, Çorum, Amasya1.5%
15Ağrı, Kars, Iğdır, Ardahan1.5%
16Kocaeli, Sakarya, Düzce, Bolu, Yalova1.4%
17Kayseri, Sivas, Yozgat1.4%
18Kastamonu, Çankırı, Sinop1.4%
19İstanbul1.3%
Source: Eurostat · saved copy

Unemployment rate, women (2025)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 11 of 26, highest first.

RankRegionUnemployment rate, women
8Adana, Mersin12.5%
9Malatya, Elazığ, Bingöl, Tunceli12.5%
10Ankara11.8%
11Kocaeli, Sakarya, Düzce, Bolu, Yalova11.7%
12İstanbul11.6%
13Bursa, Eskişehir, Bilecik11.5%
14Konya, Karaman10.9%
Source: Eurostat · saved copy

Employment rate, women aged 20-64 (2025)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 10 of 26, highest first.

RankRegionEmployment rate, women aged 20-64
7Samsun, Tokat, Çorum, Amasya42.5%
8Manisa, Afyonkarahisar, Kütahya, Uşak41.8%
9İstanbul41.7%
10Kocaeli, Sakarya, Düzce, Bolu, Yalova41.7%
11Ankara41.1%
12Bursa, Eskişehir, Bilecik40.4%
13Zonguldak, Karabük, Bartın40.0%
Source: Eurostat · saved copy

Passenger cars per 1,000 people (2024)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 18 of 26, highest first.

Source: Eurostat · saved copy

Nights spent in tourist accommodation (2025)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 7 of 26, highest first.

RankRegionNights spent in tourist accommodation
4İzmir8.4 million
5Ankara6.2 million
6Balıkesir, Çanakkale5.3 million
7Kocaeli, Sakarya, Düzce, Bolu, Yalova5.2 million
8Kırıkkale, Aksaray, Niğde, Nevşehir, Kırşehir4.8 million
9Bursa, Eskişehir, Bilecik4.3 million
10Trabzon, Ordu, Giresun, Rize, Artvin, Gümüşhane4.2 million
Source: Eurostat · saved copy

Share of output from industry (manufacturing, mining and energy) (2024)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 2 of 26, highest first.

RankRegionShare of output from industry (manufacturing, mining and energy)
1Tekirdağ, Edirne, Kırklareli42.6%
2Kocaeli, Sakarya, Düzce, Bolu, Yalova41.5%
3Bursa, Eskişehir, Bilecik38.6%
4Manisa, Afyonkarahisar, Kütahya, Uşak34.2%
5Gaziantep, Adıyaman, Kilis31.6%
6Zonguldak, Karabük, Bartın29.8%
7İzmir27.5%
Source: Eurostat · saved copy

Share of output from finance, property and business services (2024)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 24 of 26, highest first.

RankRegionShare of output from finance, property and business services
20Manisa, Afyonkarahisar, Kütahya, Uşak12.8%
21Hatay, Kahramanmaraş, Osmaniye12.8%
22Tekirdağ, Edirne, Kırklareli12.8%
23Adana, Mersin12.7%
24Kocaeli, Sakarya, Düzce, Bolu, Yalova12.1%
25Gaziantep, Adıyaman, Kilis11.7%
26Mardin, Batman, Şırnak, Siirt10.6%
Source: Eurostat · saved copy

Share of output from public administration, education, health and other services (2024)

Kocaeli, Sakarya, Düzce, Bolu, Yalova ranks 25 of 26, highest first.

RankRegionShare of output from public administration, education, health and other services
20Adana, Mersin14.5%
21Manisa, Afyonkarahisar, Kütahya, Uşak14.5%
22İzmir12.6%
23Tekirdağ, Edirne, Kırklareli11.9%
24Bursa, Eskişehir, Bilecik11.7%
25Kocaeli, Sakarya, Düzce, Bolu, Yalova10.2%
26İstanbul8.6%
Source: Eurostat · saved copy

More on Kocaeli, Sakarya, Düzce, Bolu, Yalova: overview · health · education and schools · poverty and living standards · Türkiye

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