Total population (2020)
20,590
Change by 2050 (vs 2020)
-49.3%
Share aged 65+
40.6%
Akiya (vacancy) rate
27.3%
Private rent (JPY/m²)
846 JPY/m²/month (≈ $5.5 at ¥155/USD, Jun 2026)
Net migration
-357.0
Investment Attractiveness Score
7 / 100
Relocation Suitability Score
30 / 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 (20,590).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 18,739 | 18,310vs projection -429 | -9.0% |
| 2030 | 16,940 | — | -17.7% |
| 2035 | 15,174 | — | -26.3% |
| 2040 | 13,481 | — | -34.5% |
| 2045 | 11,886 | — | -42.3% |
| 2050 | 10,434 | — | -49.3% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 27.3% (national avg. 13.8%).
Private rental rent: 846 JPY/m²/month (≈ $5.5 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.