Total population (2020)
305,424
Change by 2050 (vs 2020)
-15.2%
Share aged 65+
25.8%
Akiya (vacancy) rate
11.9%
Private rent (JPY/m²)
1,196 JPY/m²/month (≈ $7.7 at ¥155/USD, Jun 2026)
Net migration
-845.0
Investment Attractiveness Score
49 / 100
Relocation Suitability Score
59 / 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 (305,424).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 300,635 | 303,909vs projection +3,274 | -1.6% |
| 2030 | 293,839 | — | -3.8% |
| 2035 | 286,116 | — | -6.3% |
| 2040 | 277,664 | — | -9.1% |
| 2045 | 268,620 | — | -12.1% |
| 2050 | 258,968 | — | -15.2% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 11.9% (national avg. 13.8%).
Private rental rent: 1,196 JPY/m²/month (≈ $7.7 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.