Total population (2020)
498,232
Change by 2050 (vs 2020)
-4.5%
Share aged 65+
25.6%
Akiya (vacancy) rate
14.0%
Private rent (JPY/m²)
1,509 JPY/m²/month (≈ $9.7 at ¥155/USD, Jun 2026)
Net migration
+1770.0
Investment Attractiveness Score
59 / 100
Relocation Suitability Score
65 / 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 (498,232).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 498,909 | 496,714vs projection -2,195 | +0.1% |
| 2030 | 496,472 | — | -0.4% |
| 2035 | 492,959 | — | -1.1% |
| 2040 | 488,305 | — | -2.0% |
| 2045 | 482,576 | — | -3.1% |
| 2050 | 476,057 | — | -4.5% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 14.0% (national avg. 13.8%).
Private rental rent: 1,509 JPY/m²/month (≈ $9.7 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.