Total population (2020)
397,289
Change by 2050 (vs 2020)
-22.5%
Share aged 65+
27.8%
Akiya (vacancy) rate
11.4%
Private rent (JPY/m²)
1,317 JPY/m²/month (≈ $8.5 at ¥155/USD, Jun 2026)
Net migration
+733.0
Investment Attractiveness Score
41 / 100
Relocation Suitability Score
54 / 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 (397,289).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 387,517 | 388,992vs projection +1,475 | -2.5% |
| 2030 | 374,496 | — | -5.7% |
| 2035 | 359,239 | — | -9.6% |
| 2040 | 342,385 | — | -13.8% |
| 2045 | 324,956 | — | -18.2% |
| 2050 | 307,802 | — | -22.5% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 11.4% (national avg. 13.8%).
Private rental rent: 1,317 JPY/m²/month (≈ $8.5 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.