Province·Marmara Region·Code 41
TÜİK · ADNKS 2018The most common surnames in Kocaeli 2018
As in Türkiye as a whole, the most common surname in Kocaeli is Yılmaz: 30,542 people in 2018. Kaya is second with 19,525. Yılmaz has led Kocaeli every year since 2018.1
- First place
- Yılmaz
- Surnames listed
- 301
The 30 most common surnames in Kocaeli, 2018
| Rank | Surname | People | Per 1,000 | National rank |
|---|---|---|---|---|
| 01 | Yılmaz | 30,542 | 16.0 | 1 |
| 02 | Kaya | 19,525 | 10.2 | 2 |
| 03 | Demir | 18,389 | 9.6 | 3 |
| 04 | Aydın | 18,385 | 9.6 | 9 |
| 05 | Yıldız | 17,577 | 9.2 | 5 |
| 06 | Öztürk | 16,977 | 8.9 | 8 |
| 07 | Şahin | 16,592 | 8.7 | 6 |
| 08 | Çelik | 15,804 | 8.3 | 4 |
| 09 | Yıldırım | 15,644 | 8.2 | 7 |
| 10 | Kılıç | 12,611 | 6.6 | 13 |
| 11 | Özdemir | 11,397 | 6.0 | 10 |
| 12 | Arslan | 10,294 | 5.4 | 11 |
| 13 | Doğan | 8,756 | 4.6 | 12 |
| 14 | Koç | 7,602 | 4.0 | 18 |
| 15 | Aslan | 7,173 | 3.8 | 14 |
| 16 | Kurt | 7,165 | 3.8 | 17 |
| 17 | Çakır | 6,998 | 3.7 | 23 |
| 18 | Çetin | 6,936 | 3.6 | 15 |
| 19 | Kara | 6,924 | 3.6 | 16 |
| 20 | Aktaş | 6,668 | 3.5 | 30 |
| 21 | Özcan | 6,484 | 3.4 | 24 |
| 22 | Yavuz | 6,342 | 3.3 | 25 |
| 23 | Turan | 6,322 | 3.3 | – |
| 24 | Keskin | 6,143 | 3.2 | – |
| 25 | Polat | 5,690 | 3.0 | 19 |
| 26 | Korkmaz | 5,666 | 3.0 | 21 |
| 27 | Acar | 5,588 | 2.9 | 28 |
| 28 | Şen | 5,570 | 2.9 | – |
| 29 | Özkan | 5,475 | 2.9 | 22 |
| 30 | Can | 5,423 | 2.8 | 27 |
How do these counts compare with Kocaeli’s population?
With an ADNKS population of 1,906,391 in 2018, about 16.0 in every 1,000 people in Kocaeli are called Yılmaz. The 30 listed surnames together cover 320,662 people, 16.8% of the population.1,2
Which surname leads in the neighbouring provinces?
- BursaBursa: also Yılmaz, with 43,526 people in 2018, 1.4 times as many as in Kocaeli.
- IstanbulIstanbul: also Yılmaz, with 224,720 people in 2018, 7.4 times as many as in Kocaeli.
- SakaryaSakarya: also Yılmaz, with 15,984 people in 2018, 52% of the figure in Kocaeli.
- YalovaYalova: also Yılmaz, with 3,695 people in 2018, 12% of the figure in Kocaeli.
Neighbours: land borders derived from Natural Earth boundaries.3
Has Kocaeli’s top three changed over the years?
| Year | 1. | 2. | 3. |
|---|---|---|---|
| 2018 | Yılmaz 30,542 | Kaya 19,525 | Demir 18,389 |
| 2019 | Yılmaz 31,165 | Kaya 19,954 | Aydın 18,889 |
| 2020 | Yılmaz 31,882 | Kaya 20,571 | Aydın 19,388 |
| 2021 | Yılmaz 32,405 | Kaya 20,928 | Aydın 19,690 |
| 2022 | Yılmaz 33,087 | Kaya 21,568 | Demir 20,126 |
| 2023 | Yılmaz 33,255 | Kaya 21,785 | Demir 20,415 |
| 2024 | Yılmaz 33,579 | Kaya 22,188 | Demir 20,866 |
| 2025 | Yılmaz 33,865 | Kaya 22,694 | Demir 21,235 |
Sources
- 1Türkiye İstatistik Kurumu (TÜİK) · ADNKS, TÜİK Nüfus İsim Portalı: En çok kullanılan soyisimler (ADNKS)
- 2Türkiye İstatistik Kurumu (TÜİK) · ADNKS, TÜİK ADNKS: Cinsiyete göre nüfus, Türkiye ve 81 il
- 3Natural Earth, Natural Earth: Admin-1 boundaries