Province·Marmara Region·Code 34
TÜİK · ADNKS 2025The most common surnames in Istanbul
As in Türkiye as a whole, the most common surname in Istanbul is Yılmaz: 230,115 people in 2025. Kaya is second with 163,476. Yılmaz has led Istanbul every year since 2018.1
- First place
- Yılmaz
- Surnames listed
- 301
The 30 most common surnames in Istanbul, 2025
| Rank | Surname | People | Per 1,000 | National rank |
|---|---|---|---|---|
| 01 | Yılmaz | 230,115 | 14.6 | 1 |
| 02 | Kaya | 163,476 | 10.4 | 2 |
| 03 | Demir | 147,661 | 9.4 | 3 |
| 04 | Yıldız | 130,134 | 8.3 | 5 |
| 05 | Şahin | 130,005 | 8.3 | 6 |
| 06 | Çelik | 124,095 | 7.9 | 4 |
| 07 | Aydın | 123,612 | 7.8 | 9 |
| 08 | Öztürk | 119,061 | 7.6 | 8 |
| 09 | Yıldırım | 113,255 | 7.2 | 7 |
| 10 | Arslan | 94,640 | 6.0 | 11 |
| 11 | Özdemir | 94,042 | 6.0 | 10 |
| 12 | Doğan | 81,617 | 5.2 | 12 |
| 13 | Kılıç | 80,804 | 5.1 | 13 |
| 14 | Aslan | 60,901 | 3.9 | 14 |
| 15 | Koç | 54,580 | 3.5 | 18 |
| 16 | Kara | 48,437 | 3.1 | 16 |
| 17 | Çetin | 47,213 | 3.0 | 15 |
| 18 | Özcan | 45,677 | 2.9 | 25 |
| 19 | Polat | 45,451 | 2.9 | 19 |
| 20 | Kurt | 43,577 | 2.8 | 17 |
| 21 | Çakır | 43,028 | 2.7 | 24 |
| 22 | Korkmaz | 42,971 | 2.7 | 21 |
| 23 | Aktaş | 42,692 | 2.7 | 30 |
| 24 | Erdoğan | 42,605 | 2.7 | 26 |
| 25 | Yavuz | 42,574 | 2.7 | 23 |
| 26 | Şimşek | 40,818 | 2.6 | 20 |
| 27 | Güler | 40,316 | 2.6 | – |
| 28 | Can | 40,008 | 2.5 | 27 |
| 29 | Özkan | 39,924 | 2.5 | 22 |
| 30 | Güneş | 39,584 | 2.5 | 29 |
How do these counts compare with Istanbul’s population?
With an ADNKS population of 15,754,053 in 2025, about 14.6 in every 1,000 people in Istanbul are called Yılmaz. The 30 listed surnames together cover 2,392,873 people, 15.2% of the population.1,2
Istanbul lies in the Marmara Region. According to ADNKS its population grew by 4.6% between 2018 and 2025.2
| 2018 | 15,067,724 |
|---|---|
| 2019 | 15,519,267 |
| 2020 | 15,462,452 |
| 2021 | 15,840,900 |
| 2022 | 15,907,951 |
| 2023 | 15,655,924 |
| 2024 | 15,701,602 |
| 2025 | 15,754,053 |
Which surname leads in the neighbouring provinces?
- KırklareliKırklareli: also Yılmaz, with 4,599 people in 2025, 2% of the figure in Istanbul.
- KocaeliKocaeli: also Yılmaz, with 33,865 people in 2025, 15% of the figure in Istanbul.
- TekirdağTekirdağ: also Yılmaz, with 16,440 people in 2025, 7% of the figure in Istanbul.
Neighbours: land borders derived from Natural Earth boundaries.3
Has Istanbul’s top three changed over the years?
| Year | 1. | 2. | 3. |
|---|---|---|---|
| 2018 | Yılmaz 224,720 | Kaya 154,334 | Demir 139,370 |
| 2019 | Yılmaz 229,221 | Kaya 157,845 | Demir 142,915 |
| 2020 | Yılmaz 230,233 | Kaya 159,395 | Demir 144,521 |
| 2021 | Yılmaz 231,085 | Kaya 160,794 | Demir 145,594 |
| 2022 | Yılmaz 231,726 | Kaya 162,139 | Demir 146,919 |
| 2023 | Yılmaz 229,022 | Kaya 161,581 | Demir 145,300 |
| 2024 | Yılmaz 230,239 | Kaya 162,944 | Demir 147,396 |
| 2025 | Yılmaz 230,115 | Kaya 163,476 | Demir 147,661 |
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