Total population (2020)
401,558
Change by 2050 (vs 2020)
-8.4%
Share aged 65+
26.2%
Akiya (vacancy) rate
13.7%
Private rent (JPY/m²)
1,600 JPY/m²/month (≈ $10.3 at ¥155/USD, Jun 2026)
Net migration
+310.0
Investment Attractiveness Score
57 / 100
Relocation Suitability Score
67 / 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 (401,558).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 399,848 | 404,479vs projection +4,631 | -0.4% |
| 2030 | 395,261 | — | -1.6% |
| 2035 | 389,473 | — | -3.0% |
| 2040 | 382,718 | — | -4.7% |
| 2045 | 375,404 | — | -6.5% |
| 2050 | 367,696 | — | -8.4% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 13.7% (national avg. 13.8%).
Private rental rent: 1,600 JPY/m²/month (≈ $10.3 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.