Total population (2020)
345,070
Change by 2050 (vs 2020)
-7.3%
Share aged 65+
26.3%
Akiya (vacancy) rate
10.9%
Private rent (JPY/m²)
1,213 JPY/m²/month (≈ $7.8 at ¥155/USD, Jun 2026)
Net migration
+1052.0
Investment Attractiveness Score
59 / 100
Relocation Suitability Score
68 / 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 (345,070).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 346,490 | 343,051vs projection -3,439 | +0.4% |
| 2030 | 345,055 | — | -0.0% |
| 2035 | 341,592 | — | -1.0% |
| 2040 | 335,925 | — | -2.7% |
| 2045 | 328,470 | — | -4.8% |
| 2050 | 320,021 | — | -7.3% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 10.9% (national avg. 13.8%).
Private rental rent: 1,213 JPY/m²/month (≈ $7.8 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.