潜在的な支援率（65+歳の人口一人当たりの15-64歳の人口の割合）
2.1
(比率)
in 2020
実際のデータ
| 日付 |
値 |
変更
, % |
| 2020 |
2.1 |
-11.13% |
| 2015 |
2.3 |
-17.79% |
| 2010 |
2.9 |
-15.76% |
| 2005 |
3.4 |
-15.75% |
| 2000 |
4.0 |
-17.31% |
| 1995 |
4.9 |
-17.23% |
| 1990 |
5.9 |
-13.05% |
| 1985 |
6.7 |
-10.86% |
| 1980 |
7.6 |
-14.10% |
| 1975 |
8.8 |
-12.18% |
| 1970 |
10.0 |
-8.93% |
| 1965 |
11.0 |
|