The current metro area population of Tehran in 2025 is 9,730,000, a 1.19% increase from 2024.

• The metro area population of Tehran in 2024 was 9,616,000, a 1.22% increase from 2023.
• The metro area population of Tehran in 2023 was 9,500,000, a 1.26% increase from 2022.
• The metro area population of Tehran in 2022 was 9,382,000, a 1.33% increase from 2021.