The current metro area population of Sendai in 2026 is 2,331,000, a 0.3% decline from 2025.

• The metro area population of Sendai in 2025 was 2,338,000, a 0.13% decline from 2024.
• The metro area population of Sendai in 2024 was 2,341,000, a 0.04% decline from 2023.
• The metro area population of Sendai in 2023 was 2,342,000, a 0.09% increase from 2022.