Total population (2020)
493,940
Change by 2050 (vs 2020)
-23.6%
Share aged 65+
27.5%
Akiya (vacancy) rate
16.3%
Private rent (JPY/m²)
1,406 JPY/m²/month (≈ $9.1 at ¥155/USD, Jun 2026)
Net migration
+2502.0
Investment Attractiveness Score
40 / 100
Relocation Suitability Score
53 / 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 (493,940).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 478,156 | 482,618vs projection +4,462 | -3.2% |
| 2030 | 459,365 | — | -7.0% |
| 2035 | 439,227 | — | -11.1% |
| 2040 | 418,377 | — | -15.3% |
| 2045 | 397,796 | — | -19.5% |
| 2050 | 377,297 | — | -23.6% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 16.3% (national avg. 13.8%).
Private rental rent: 1,406 JPY/m²/month (≈ $9.1 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.