Revenue Authority announces: Selçuk Bayraktar, Haluk Bayraktar, and Rahmi Koç were the highest income taxpayers in 2025

Quick summary

According to Revenue Administration data, Selçuk Bayraktar, Haluk Bayraktar and Rahmi Koç were the individuals who paid the most income tax in 2025. A total of 5.5 million taxpayers across Turkey paid 710 billion TL in taxes; 78 of the top 100 highest taxpayers were from İstanbul.

Why it matters

Defense sector leaders and holding heads ranking at the top of the tax standings reflects the tax burden of high-income individuals in Turkey. The gap between the average tax amount per taxpayer (127 thousand TL) and the amounts paid by the upper income group reflects income inequality.

Key takeaways

• ›Selçuk Bayraktar, Haluk Bayraktar, and Rahmi Koç were the three highest income taxpayers in 2025.
• ›Across Turkey, 5 million 586 thousand 760 taxpayers filed returns and 710 billion 565 million TL in income tax was accrued.
• ›Of the top 100 highest taxpayers, 78 came from Istanbul, 10 from Ankara, and 3 from Izmir.
• ›The average taxable income declared per taxpayer was 428 thousand 651 TL, and average income tax was 127 thousand 187 TL.