Total population (2020)
388,078
Change by 2050 (vs 2020)
-29.7%
Share aged 65+
32.1%
Akiya (vacancy) rate
15.6%
Private rent (JPY/m²)
1,421 JPY/m²/month (≈ $9.2 at ¥155/USD, Jun 2026)
Net migration
-552.0
Investment Attractiveness Score
29 / 100
Relocation Suitability Score
45 / 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 (388,078).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 370,433 | 364,978vs projection -5,455 | -4.5% |
| 2030 | 350,569 | — | -9.7% |
| 2035 | 330,338 | — | -14.9% |
| 2040 | 310,150 | — | -20.1% |
| 2045 | 290,851 | — | -25.1% |
| 2050 | 272,859 | — | -29.7% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 15.6% (national avg. 13.8%).
Private rental rent: 1,421 JPY/m²/month (≈ $9.2 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.