Total population (2020)
3,777,491
Change by 2050 (vs 2020)
-6.4%
Share aged 65+
24.4%
Akiya (vacancy) rate
8.7%
Private rent (JPY/m²)
1,995 JPY/m²/month (≈ $12.9 at ¥155/USD, Jun 2026)
Net migration
+11298.0
Investment Attractiveness Score
64 / 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 (3,777,491).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 3,786,702 | 3,754,840vs projection -31,862 | +0.2% |
| 2030 | 3,756,159 | — | -0.6% |
| 2035 | 3,715,508 | — | -1.6% |
| 2040 | 3,664,048 | — | -3.0% |
| 2045 | 3,603,784 | — | -4.6% |
| 2050 | 3,537,253 | — | -6.4% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 8.7% (national avg. 13.8%).
Private rental rent: 1,995 JPY/m²/month (≈ $12.9 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.