Comparison·Top 10

TÜİK · ADNKS 2025

Kaya or Yıldırım?

For every Yıldırım there are about 1.35 Kayas (2025). Since 2018, Kaya has grown 6.1% and Yıldırım 4.7%, so the gap is widening. Nationally Kaya ranks 2nd and Yıldırım 7th.1

SURNAME · No. 2

Kaya

“rock, crag”

People
899,722
Per 1,000
10.5
Since 2018
+6.1%
Provinces led
5
Origin
Turkic

SURNAME · No. 7

Yıldırım

“thunderbolt; lightning-fast”

People
666,723
Per 1,000
7.7
Since 2018
+4.7%
Provinces led
1
Origin
Turkic

How have Kaya and Yıldırım changed since 2018?

TÜİK · ADNKS 2018–2025 700 k 800 k 900 k 20182019202020212022202320242025 636,738 643,571 648,965 654,066 658,631 661,503 664,229 Yıldırım666,723 847,737 858,398 866,547 875,113 883,067 888,828 894,360 Kaya899,722 TÜİK · ADNKS 2018–2025 700 k 800 k 900 k ’18’20’22’24’25 Yıldırım Kaya
People, 2018–2025. Vertical axis does not start at zero.
People, 2018–2025.
20182019202020212022202320242025
Kaya847,737858,398866,547875,113883,067888,828894,360899,722
Yıldırım636,738643,571648,965654,066658,631661,503664,229666,723
YearKayaYıldırımRatio
2018847,737636,7381.33
2019858,398643,5711.33
2020866,547648,9651.34
2021875,113654,0661.34
2022883,067658,6311.34
2023888,828661,5031.34
2024894,360664,2291.35
2025899,722666,7231.35
Ratio: Kaya ÷ Yıldırım.1

Which one leads in which provinces?

In the 2025 province lists, Kaya ranks above Yıldırım in 66 provinces and Yıldırım above Kaya in 15 provinces.1

Kaya ahead

Yıldırım ahead

The most populous entries are shown; the figure is the count in that province.

Do they share a root?

Both Kaya and Yıldırım go back to words of Turkic origin, and both are of the plain noun type.

  • Kaya A kaya is a large, hard mass of rock rising out of the ground, a word Turkish has used since its oldest records. As a surname it carries the image of firmness and endurance, something that cannot be shaken. Kaya is also a male given name.
  • Yıldırım The word for a thunderbolt, the lightning that strikes the ground. In phrases it comes to mean “lightning-fast”, as in yıldırım hızıyla, “at lightning speed”. The surname carries this image of sudden power and speed, and Yıldırım is also a male given name.

How is this comparison made?

Sources

  1. 1Türkiye İstatistik Kurumu (TÜİK) · ADNKS, TÜİK Nüfus İsim Portalı: En çok kullanılan soyisimler (ADNKS)
  2. 2Türkiye İstatistik Kurumu (TÜİK) · ADNKS, TÜİK ADNKS: Cinsiyete göre nüfus, Türkiye ve 81 il