Total population (2020)
417,496
Change by 2050 (vs 2020)
-15.9%
Share aged 65+
27.6%
Akiya (vacancy) rate
16.8%
Private rent (JPY/m²)
1,116 JPY/m²/month (≈ $7.2 at ¥155/USD, Jun 2026)
Net migration
-615.0
Investment Attractiveness Score
44 / 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 (417,496).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 404,897 | 407,208vs projection +2,311 | -3.0% |
| 2030 | 395,778 | — | -5.2% |
| 2035 | 385,675 | — | -7.6% |
| 2040 | 374,809 | — | -10.2% |
| 2045 | 363,138 | — | -13.0% |
| 2050 | 351,256 | — | -15.9% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 16.8% (national avg. 13.8%).
Private rental rent: 1,116 JPY/m²/month (≈ $7.2 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.