Total population (2020)
18,555
Change by 2050 (vs 2020)
-37.9%
Share aged 65+
37.7%
Akiya (vacancy) rate
23.7%
Private rent (JPY/m²)
622 JPY/m²/month (≈ $4.0 at ¥155/USD, Jun 2026)
Net migration
-108.0
Investment Attractiveness Score
16 / 100
Relocation Suitability Score
40 / 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 (18,555).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 17,262 | 17,048vs projection -214 | -7.0% |
| 2030 | 16,008 | — | -13.7% |
| 2035 | 14,828 | — | -20.1% |
| 2040 | 13,672 | — | -26.3% |
| 2045 | 12,567 | — | -32.3% |
| 2050 | 11,518 | — | -37.9% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 23.7% (national avg. 13.8%).
Private rental rent: 622 JPY/m²/month (≈ $4.0 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.