退職給付に係る資産の増減額（△は増加）、借用金
- 【期間】
| 年度 | 退職給付に係る資産の増減額（△は増加） | 借用金 |
|---|
| 2008/03 | - | | 4.74兆 | |
| 2009/03 | - | | 7.3兆 | +54% |
| 2010/03 | - | | 7.13兆 | -2.3% |
| 2011/03 | - | | 9.81兆 | +37.6% |
| 2012/03 | - | | 7.83兆 | -20.2% |
| 2013/03 | - | | 3.04兆 | -61.2% |
| 2014/03 | -210億 | | 7.42兆 | +144.5% |
| 2014/09 | -145億 | 赤縮 | 6.48兆 | -12.7% |
| 2015/03 | -291億 | 赤拡 | 6.87兆 | +6% |
| 2015/09 | -263億 | 赤縮 | 7.44兆 | +8.3% |
| 2016/03 | - | | 7.64兆 | +2.7% |
| 2016/09 | - | | 8.98兆 | +17.5% |
| 2017/03 | - | | 8.61兆 | -4.1% |
| 2017/09 | - | | 8.6兆 | -0.1% |
| 2018/03 | - | | 8.42兆 | -2% |
| 2018/09 | - | | 9.44兆 | +12.1% |
| 2019/03 | - | | 7.74兆 | -18% |
| 2019/09 | - | | 7.64兆 | -1.2% |
| 2020/03 | - | | 11.5兆 | +50.2% |
| 2020/09 | - | | 14.4兆 | +25.3% |
| 2021/03 | - | | 15.2兆 | +5.6% |
| 2021/09 | - | | 15.5兆 | +1.8% |
| 2022/03 | - | | 14.5兆 | -6.3% |
| 2022/09 | - | | 11.4兆 | -21% |
| 2023/03 | - | | 12.6兆 | +10.3% |
| 2023/09 | - | | 13.8兆 | +9.1% |
| 2024/03 | - | | 14.3兆 | +4.1% |
