Population of Istanbul, Turkey as of March 2025. How many people live in Istanbul today?

Turkey / Istanbul

The exact population of Istanbul as of March 2025 is estimated at 15,655,924 residents. Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Istanbul.

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Check out more data on population in Turkey:

Erzincan
Canakkale
Sinop
Silifke
Mugla
Merzifon
Zonguldak

This population of Istanbul is provided by the local bureau of statistics.
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