Total population (2020)
18,697
Change by 2050 (vs 2020)
-47.5%
Share aged 65+
35.9%
Akiya (vacancy) rate
14.8%
Private rent (JPY/m²)
796 JPY/m²/month (≈ $5.1 at ¥155/USD, Jun 2026)
Net migration
-271.0
Investment Attractiveness Score
16 / 100
Relocation Suitability Score
36 / 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 (18,697).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 16,778 | 16,707vs projection -71 | -10.3% |
| 2030 | 15,286 | — | -18.2% |
| 2035 | 13,834 | — | -26.0% |
| 2040 | 12,442 | — | -33.5% |
| 2045 | 11,093 | — | -40.7% |
| 2050 | 9,819 | — | -47.5% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 14.8% (national avg. 13.8%).
Private rental rent: 796 JPY/m²/month (≈ $5.1 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.