Total population (2020)
332,149
Change by 2050 (vs 2020)
-18.2%
Share aged 65+
29.0%
Akiya (vacancy) rate
15.2%
Private rent (JPY/m²)
1,081 JPY/m²/month (≈ $7.0 at ¥155/USD, Jun 2026)
Net migration
+96.0
Investment Attractiveness Score
41 / 100
Relocation Suitability Score
54 / 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 (332,149).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 324,621 | 324,554vs projection -67 | -2.3% |
| 2030 | 315,720 | — | -4.9% |
| 2035 | 305,810 | — | -7.9% |
| 2040 | 294,836 | — | -11.2% |
| 2045 | 283,266 | — | -14.7% |
| 2050 | 271,548 | — | -18.2% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 15.2% (national avg. 13.8%).
Private rental rent: 1,081 JPY/m²/month (≈ $7.0 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.