Nagasaki, Japan Metro Area Population (1950-2026)
The current metro area population of Nagasaki in 2026 is 393,000, a 1.01% decline from 2025.
- The metro area population of Nagasaki in 2025 was 397,000, a 0.75% decline from 2024.
- The metro area population of Nagasaki in 2024 was 400,000, a 0.74% decline from 2023.
- The metro area population of Nagasaki in 2023 was 403,000, a 0.98% decline from 2022.
The full historical dataset is available for download here: Nagasaki, Japan Metro Population | Historical Data | 1950-2026.