The current metro area population of Kermanshah in 2026 is 1,132,000, a 1.34% increase from 2025.

• The metro area population of Kermanshah in 2025 was 1,117,000, a 1.36% increase from 2024.
• The metro area population of Kermanshah in 2024 was 1,102,000, a 1.57% increase from 2023.
• The metro area population of Kermanshah in 2023 was 1,085,000, a 1.78% increase from 2022.