| 年份 | 65岁及以上人口比重(%) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | 21.219790744501 |
| 2022 | 20.796165894864 |
| 2021 | 20.590005815225 |
| 2020 | 20.420038319074 |
| 2019 | 20.177492196612 |
| 2018 | 19.943656878911 |
| 2017 | 19.732186816781 |
| 2016 | 19.503738231265 |
| 2015 | 19.270340136674 |
| 2014 | 18.994316223014 |
| 2013 | 18.707481813803 |
| 2012 | 18.467810145851 |
| 2011 | 18.244675660265 |
| 2010 | 17.27 |
| 2009 | — |
| 2008 | — |
| 2007 | — |
| 2006 | — |
| 2005 | — |