Kocaeli, Sakarya, Düzce, Bolu, Yalova
Level 2 statistical region TR42 Part of: Türkiye › Doğu Marmara
Source: Eurostat, NUTS 2024 classification. Extracted on 2026-10-16. Compiled by IPEF. · Regions of Türkiye →
Population on 1 January4,287,3762025+1.1% year on year GDP per capita in PPS, EU27 = 100882024-1 year on year3 of 26 · TürkiyeUnemployment rate (15–74)8.5%20250.0 pp year on year15 of 26 · TürkiyeLife expectancy at birth76.82023 10 of 26 · TürkiyePopulation aged 25–64 with tertiary education27.5%2025+0.3 pp year on year5 of 26 · TürkiyeMedian age of population35.12025+0.4 year on year15 of 26 · Türkiye
How it compares with the other regions of Türkiye
Each dot is a NUTS 2 region of Türkiye, for the same period. Kocaeli, Sakarya, Düzce, Bolu… in blue; the dark grey line marks Türkiye. Better values to the right.
Compare with
Regional economy
9
| Indicator | Period | Value | Year-on-year change | Trend | Türkiye | Europe | |
|---|---|---|---|---|---|---|---|
| Value | Rank | Rank NUTS 2 | |||||
| Regional GDPM€ | 2024 | 77,869 M€ | +15.0% | — | 3 / 26 | 78 / 276 | |
| GDP per capita€ per inhabitant | 2024 | 17,900 € | +13.3% | 14,100 € | 3 / 26 | 217 / 276 | |
| GDP per capita in purchasing power standardsPPS per inhabitant | 2024 | 35,000 PPS | +2.3% | 27,600 PPS | 3 / 26 | 122 / 276 | |
| GDP per capita in PPS, EU27 = 100index EU27 = 100 | 2024 | 88 | -1 | 69 | 3 / 26 | 120 / 276 | |
| Gross value addedM€ | 2024 | 69,183 M€ | +14.9% | — | 3 / 26 | 77 / 276 | |
| Industry gross value addedM€ | 2024 | 28,714 M€ | +2.6% | — | 2 / 26 | 12 / 205 | |
| GVA of public administration, education and healthM€ | 2024 | 6,296 M€ | +38.0% | — | 4 / 26 | 79 / 184 | |
| Nights spent at tourist accommodationnights | 2025 | 5,205,591 | +2.3% | — | 7 / 26 | 167 / 294 | |
| Tourism intensitynights per 1,000 inhabitants | 2025 | 1,214 | +1.2% | 2,945 | 9 / 26 | 264 / 293 | |
Regional labour market
10
| Indicator | Period | Value | Year-on-year change | Trend | Türkiye | Europe | |
|---|---|---|---|---|---|---|---|
| Value | Rank | Rank NUTS 2 | |||||
| Unemployment rate (15–74)% of labour force | 2025 | 8.5% | 0.0 pp | 8.4% | 15 / 26 | 227 / 286 | |
| Long-term unemployment (12 months or more)% of labour force | 2025 | 1.4% | -0.1 pp | 1.5% | 9 / 26 | 88 / 233 | |
| Youth unemployment rate (15–24)% of labour force | 2025 | 15.6% | -1.0 pp | 15.4% | 13 / 26 | 91 / 218 | |
| Employment rate (20–64)% of population16.8 pp below the EU 2030 target (78%) | 2025 | 61.2% | -0.8 pp | 58.1% | 6 / 26 | 259 / 289 | |
| Male employment rate (20–64)% of population | 2025 | 80.1% | -0.2 pp | 77.1% | 3 / 26 | 169 / 289 | |
| Female employment rate (20–64)% of population | 2025 | 41.7% | -1.6 pp | 39.1% | 9 / 26 | 267 / 289 | |
| Young people neither in employment nor in education (15–29)% of population aged 15–29 | 2025 | 21.7% | -1.2 pp | 26.3% | 5 / 26 | 249 / 284 | |
| Population aged 25–64 with tertiary education% | 2025 | 27.5% | +0.3 pp | 26.8% | 5 / 26 | 206 / 289 | |
| Human resources in science and technology% of labour force | 2025 | 34.9% | +0.8 pp | 34.4% | 5 / 26 | 236 / 289 | |
| R&D expenditure% of GDP | 2024 | 2.21% | -0.08 pp | 1.46% | 2 / 26 | 17 / 163 | |
Regional households and well-being
2
| Indicator | Period | Value | Year-on-year change | Trend | Türkiye | Europe | |
|---|---|---|---|---|---|---|---|
| Value | Rank | Rank NUTS 2 | |||||
| Life expectancy at birthyears | 2023 | 76.8 | — | 77.3 | 10 / 26 | 253 / 290 | |
| Infant mortality rateper 1,000 live births | 2024 | 7.0 | -0.3 | 9.0 | 8 / 26 | 226 / 252 | |
Regional demography
7
| Indicator | Period | Value | Year-on-year change | Trend | Türkiye | Europe | |
|---|---|---|---|---|---|---|---|
| Value | Rank | Rank NUTS 2 | |||||
| Population on 1 Januarypersons | 2025 | 4,287,376 | +1.1% | — | 5 / 26 | 21 / 295 | |
| Median age of populationyears | 2025 | 35.1 | +0.4 | 34.4 | 15 / 26 | 281 / 294 | |
| Old-age dependency ratio (65+ / 15–64)% | 2025 | 15.1% | +0.5 pp | 15.5% | 9 / 26 | 11 / 294 | |
| Population densityinhabitants per km² | 2024 | 212.1 | +1.2% | 111.6 | 4 / 26 | 84 / 285 | |
| Total population changeper 1,000 inhabitants | 2024 | 11.0 | -3.0 | 3.4 | 4 / 26 | 30 / 294 | |
| Net migration (including statistical adjustment)per 1,000 inhabitants | 2024 | 6.2 | -2.4 | -1.8 | 3 / 26 | 103 / 294 | |
| Crude birth rateper 1,000 inhabitants | 2024 | 10.5 | -0.5 | 11.0 | 10 / 26 | 22 / 294 | |
Regions within it 5 NUTS 3 regions
KocaeliTR421Level 3 statistical region
- Population
- 2,130,006
- GDP per head (EU = 100)
- 108
- Inhabitants per km²
- 592.0
SakaryaTR422Level 3 statistical region
- Population
- 1,110,735
- GDP per head (EU = 100)
- 66
- Inhabitants per km²
- 228.3
DüzceTR423Level 3 statistical region
- Population
- 412,344
- GDP per head (EU = 100)
- 62
- Inhabitants per km²
- 160.1
BoluTR424Level 3 statistical region
- Population
- 326,409
- GDP per head (EU = 100)
- 75
- Inhabitants per km²
- 39.1
YalovaTR425Level 3 statistical region
- Population
- 307,882
- GDP per head (EU = 100)
- 69
- Inhabitants per km²
- 382.0