Total population (2020)
460,930
Change by 2050 (vs 2020)
-16.8%
Share aged 65+
28.7%
Akiya (vacancy) rate
15.1%
Private rent (JPY/m²)
1,127 JPY/m²/month (≈ $7.3 at ¥155/USD, Jun 2026)
Net migration
-2585.0
Investment Attractiveness Score
44 / 100
Relocation Suitability Score
57 / 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 (460,930).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 443,916 | 439,994vs projection -3,922 | -3.7% |
| 2030 | 433,829 | — | -5.9% |
| 2035 | 422,478 | — | -8.3% |
| 2040 | 409,939 | — | -11.1% |
| 2045 | 396,877 | — | -13.9% |
| 2050 | 383,669 | — | -16.8% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 15.1% (national avg. 13.8%).
Private rental rent: 1,127 JPY/m²/month (≈ $7.3 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.