Total population (2020)
342,464
Change by 2050 (vs 2020)
-10.1%
Share aged 65+
25.4%
Akiya (vacancy) rate
8.5%
Private rent (JPY/m²)
1,568 JPY/m²/month (≈ $10.1 at ¥155/USD, Jun 2026)
Net migration
+1208.0
Investment Attractiveness Score
53 / 100
Relocation Suitability Score
58 / 100
Scores are this site's own 0–100 indices based on the 2020 Census; 2025 figures are shown for reference.
Population Projection (2025–2050)
IPSS projection (令和5年 / 2023). Change vs 2020 Census (342,464).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 339,782 | 342,575vs projection +2,793 | -0.8% |
| 2030 | 334,989 | — | -2.2% |
| 2035 | 329,230 | — | -3.9% |
| 2040 | 322,316 | — | -5.9% |
| 2045 | 315,029 | — | -8.0% |
| 2050 | 307,906 | — | -10.1% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 8.5% (national avg. 13.8%).
Private rental rent: 1,568 JPY/m²/month (≈ $10.1 at ¥155/USD, Jun 2026).
This vacancy count includes secondary homes (e.g. vacation homes), so it runs high in resort/tourist areas. See the Statistics Bureau Housing and Land Survey definitions. Average of all units including older buildings; differs from current asking rents.