潜在的な支援率（65+歳の人口一人当たりの20-64歳の人口の割合）
3.8
(比率)
in 2020
実際のデータ
| 日付 |
値 |
変更
, % |
| 2020 |
3.8 |
-13.24% |
| 2015 |
4.3 |
-12.93% |
| 2010 |
5.0 |
-0.19% |
| 2005 |
5.0 |
0.70% |
| 2000 |
4.9 |
-1.51% |
| 1995 |
5.0 |
-4.51% |
| 1990 |
5.3 |
-2.74% |
| 1985 |
5.4 |
1.10% |
| 1980 |
5.3 |
-2.96% |
| 1975 |
5.5 |
-0.93% |
| 1970 |
5.6 |
-2.02% |
| 1965 |
5.7 |
|