Total population (2020)
371,920
Change by 2050 (vs 2020)
-18.2%
Share aged 65+
25.8%
Akiya (vacancy) rate
13.5%
Private rent (JPY/m²)
1,128 JPY/m²/month (≈ $7.3 at ¥155/USD, Jun 2026)
Net migration
-2195.0
Investment Attractiveness Score
43 / 100
Relocation Suitability Score
58 / 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 (371,920).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 357,017 | 360,031vs projection +3,014 | -4.0% |
| 2030 | 348,435 | — | -6.3% |
| 2035 | 338,782 | — | -8.9% |
| 2040 | 327,949 | — | -11.8% |
| 2045 | 316,380 | — | -14.9% |
| 2050 | 304,309 | — | -18.2% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 13.5% (national avg. 13.8%).
Private rental rent: 1,128 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.