Total population (2020)
327,692
Change by 2050 (vs 2020)
-21.9%
Share aged 65+
26.4%
Akiya (vacancy) rate
13.9%
Private rent (JPY/m²)
1,222 JPY/m²/month (≈ $7.9 at ¥155/USD, Jun 2026)
Net migration
-888.0
Investment Attractiveness Score
40 / 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 (327,692).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 319,847 | 313,125vs projection -6,722 | -2.4% |
| 2030 | 309,854 | — | -5.4% |
| 2035 | 298,392 | — | -8.9% |
| 2040 | 285,511 | — | -12.9% |
| 2045 | 271,297 | — | -17.2% |
| 2050 | 256,083 | — | -21.9% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 13.9% (national avg. 13.8%).
Private rental rent: 1,222 JPY/m²/month (≈ $7.9 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.