Total population (2020)
579,355
Change by 2050 (vs 2020)
-8.0%
Share aged 65+
26.5%
Akiya (vacancy) rate
11.1%
Private rent (JPY/m²)
1,670 JPY/m²/month (≈ $10.8 at ¥155/USD, Jun 2026)
Net migration
+2740.0
Investment Attractiveness Score
57 / 100
Relocation Suitability Score
62 / 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 (579,355).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 577,448 | 574,087vs projection -3,361 | -0.3% |
| 2030 | 571,769 | — | -1.3% |
| 2035 | 563,590 | — | -2.7% |
| 2040 | 553,338 | — | -4.5% |
| 2045 | 543,085 | — | -6.3% |
| 2050 | 532,958 | — | -8.0% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 11.1% (national avg. 13.8%).
Private rental rent: 1,670 JPY/m²/month (≈ $10.8 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.