Total population (2020)
511,192
Change by 2050 (vs 2020)
-17.4%
Share aged 65+
27.3%
Akiya (vacancy) rate
15.0%
Private rent (JPY/m²)
1,043 JPY/m²/month (≈ $6.7 at ¥155/USD, Jun 2026)
Net migration
-671.0
Investment Attractiveness Score
43 / 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 (511,192).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 498,626 | 497,041vs projection -1,585 | -2.5% |
| 2030 | 486,567 | — | -4.8% |
| 2035 | 472,947 | — | -7.5% |
| 2040 | 457,221 | — | -10.6% |
| 2045 | 439,929 | — | -13.9% |
| 2050 | 422,197 | — | -17.4% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 15.0% (national avg. 13.8%).
Private rental rent: 1,043 JPY/m²/month (≈ $6.7 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.