Total population (2020)
18,630
Change by 2050 (vs 2020)
-53.1%
Share aged 65+
44.6%
Akiya (vacancy) rate
33.0%
Private rent (JPY/m²)
459 JPY/m²/month (≈ $3.0 at ¥155/USD, Jun 2026)
Net migration
-336.0
Investment Attractiveness Score
2 / 100
Relocation Suitability Score
26 / 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 (18,630).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 16,685 | 15,914vs projection -771 | -10.4% |
| 2030 | 14,927 | — | -19.9% |
| 2035 | 13,222 | — | -29.0% |
| 2040 | 11,592 | — | -37.8% |
| 2045 | 10,088 | — | -45.9% |
| 2050 | 8,740 | — | -53.1% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 33.0% (national avg. 13.8%).
Private rental rent: 459 JPY/m²/month (≈ $3.0 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.