Total population (2020)
329,306
Change by 2050 (vs 2020)
-28.3%
Share aged 65+
34.1%
Akiya (vacancy) rate
14.2%
Private rent (JPY/m²)
868 JPY/m²/month (≈ $5.6 at ¥155/USD, Jun 2026)
Net migration
-344.0
Investment Attractiveness Score
27 / 100
Relocation Suitability Score
45 / 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 (329,306).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 313,406 | 305,701vs projection -7,705 | -4.8% |
| 2030 | 298,861 | — | -9.2% |
| 2035 | 283,763 | — | -13.8% |
| 2040 | 267,991 | — | -18.6% |
| 2045 | 251,942 | — | -23.5% |
| 2050 | 236,115 | — | -28.3% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 14.2% (national avg. 13.8%).
Private rental rent: 868 JPY/m²/month (≈ $5.6 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.