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）
4.2
(比率)
in 2020
実際のデータ
| 日付 |
値 |
変更
, % |
| 2020 |
4.2 |
-13.13% |
| 2015 |
4.8 |
-11.02% |
| 2010 |
5.4 |
-16.43% |
| 2005 |
6.4 |
-14.88% |
| 2000 |
7.6 |
-5.18% |
| 1995 |
8.0 |
-15.74% |
| 1990 |
9.5 |
1.57% |
| 1985 |
9.3 |
3.92% |
| 1980 |
9.0 |
3.24% |
| 1975 |
8.7 |
2.35% |
| 1970 |
8.5 |
5.09% |
| 1965 |
8.1 |
|