The current metro area population of Istanbul in 2025 is 16,237,000, a 1.18% increase from 2024.

• The metro area population of Istanbul in 2024 was 16,047,000, a 1.26% increase from 2023.
• The metro area population of Istanbul in 2023 was 15,848,000, a 1.36% increase from 2022.
• The metro area population of Istanbul in 2022 was 15,636,000, a 1.43% increase from 2021.